{"id":3937,"date":"2024-12-04T08:25:58","date_gmt":"2024-12-04T08:25:58","guid":{"rendered":"https:\/\/blog.ezworkapp.com\/index.php\/2024\/12\/04\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham\/"},"modified":"2024-12-04T08:25:58","modified_gmt":"2024-12-04T08:25:58","slug":"nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham","status":"publish","type":"post","link":"https:\/\/blog.ezworkapp.com\/index.php\/2024\/12\/04\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham\/","title":{"rendered":"Nh\u1eefng nguy\u00ean nh\u00e2n l\u00e0m file excel tr\u1edf n\u00ean n\u1eb7ng v\u00e0 t\u00ednh to\u00e1n ch\u1eadm"},"content":{"rendered":"<div class=\"uk-panel uk-margin\" id=\"template-nJy84WMn#1\">\n<p>Ch\u1eafc h\u1eb3n b\u1ea1n ch\u1eb3ng bao gi\u1edd ch\u00fa \u00fd t\u1edbi \u0111i\u1ec1u n\u00e0y\u00a0n\u1ebfu kh\u00f4ng c\u00f3 vi\u1ec7c 1 ng\u00e0y n\u00e0o \u0111\u00f3\u00a0file Excel b\u1ea1n \u0111ang l\u00e0m b\u1ed7ng tr\u1edf n\u00ean n\u1eb7ng n\u1ec1, ch\u1eadm ch\u1ea1p v\u00e0 \u00ec \u1ea1ch. Ch\u00fang ta \u0111\u00e3 l\u00e0m g\u00ec sai \u0111\u1ec3 x\u1ea3y ra vi\u1ec7c \u0111\u00f3? Hay l\u00e0m th\u1ebf n\u00e0o gi\u00fap \u201cgi\u1ea3m c\u00e2n\u201d v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a file excel? H\u00e3y c\u00f9ng H\u1ecdc Excel Online t\u00ecm hi\u1ec3u nh\u1eefng\u00a0nguy\u00ean nh\u00e2n l\u00e0m file excel tr\u1edf n\u00ean n\u1eb7ng v\u00e0 t\u00ednh to\u00e1n ch\u1eadm v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Xem nhanh<\/p>\n<p><label for=\"ez-toc-cssicon-toggle-item-67501215808e9\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><\/span><\/span><\/label><\/p>\n<nav>\n<ul class=\"ez-toc-list ez-toc-list-level-1 \">\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#Dinh_dang_khong_co_kiem_soat\" title=\"\u0110\u1ecbnh d\u1ea1ng\u00a0kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t\">\u0110\u1ecbnh d\u1ea1ng\u00a0kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t<\/a>\n<ul class=\"ez-toc-list-level-3\">\n<li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#1_Bo_duong_Gridlines_bang_to_mau_nen_trang\" title=\"1. B\u1ecf \u0111\u01b0\u1eddng Gridlines b\u1eb1ng t\u00f4 m\u00e0u n\u1ec1n tr\u1eafng\">1. B\u1ecf \u0111\u01b0\u1eddng Gridlines b\u1eb1ng t\u00f4 m\u00e0u n\u1ec1n tr\u1eafng<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#2_Thiet_lap_bo_loc_tu_dong_Auto_Filter_khong_kiem_soat\" title=\"2. Thi\u1ebft l\u1eadp b\u1ed9 l\u1ecdc t\u1ef1 \u0111\u1ed9ng Auto Filter kh\u00f4ng ki\u1ec3m so\u00e1t\">2. Thi\u1ebft l\u1eadp b\u1ed9 l\u1ecdc t\u1ef1 \u0111\u1ed9ng Auto Filter kh\u00f4ng ki\u1ec3m so\u00e1t<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#3_Thiet_lap_Data_Validation_Conditional_Formatting_khong_co_gioi_han\" title=\"3. Thi\u1ebft l\u1eadp Data Validation, Conditional Formatting kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n\">3. Thi\u1ebft l\u1eadp Data Validation, Conditional Formatting kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n<\/a><\/li>\n<\/ul>\n<\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#Luu_duoi_dinh_dang_file_xls\" title=\"L\u01b0u d\u01b0\u1edbi \u0111\u1ecbnh d\u1ea1ng file .xls\">L\u01b0u d\u01b0\u1edbi \u0111\u1ecbnh d\u1ea1ng file .xls<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#Qua_nhieu_cong_thuc_dong\" title=\"Qu\u00e1 nhi\u1ec1u c\u00f4ng th\u1ee9c \u0111\u1ed9ng\">Qu\u00e1 nhi\u1ec1u c\u00f4ng th\u1ee9c \u0111\u1ed9ng<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#Su_dung_qua_nhieu_Name_thua_Name_loi_Lien_ket_toi_ben_ngoai_file\" title=\"S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u Name th\u1eeba, Name l\u1ed7i, Li\u00ean k\u1ebft t\u1edbi b\u00ean ngo\u00e0i file\">S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u Name th\u1eeba, Name l\u1ed7i, Li\u00ean k\u1ebft t\u1edbi b\u00ean ngo\u00e0i file<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.hocexcel.online\/nhung-nguyen-nhan-lam-file-excel-tro-nen-nang-va-tinh-toan-cham.html#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Dinh_dang_khong_co_kiem_soat\"><\/span>\u0110\u1ecbnh d\u1ea1ng\u00a0kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t, \u0111\u1ecbnh d\u1ea1ng b\u1eeba b\u00e3i l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p g\u00e2y ra t\u00ecnh tr\u1ea1ng file b\u1ecb n\u1eb7ng. C\u00f3 th\u1ec3 k\u1ec3 t\u1edbi 1 s\u1ed1 l\u1ed7i \u0111\u1ecbnh d\u1ea1ng hay g\u1eb7p ph\u1ea3i nh\u01b0<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Bo_duong_Gridlines_bang_to_mau_nen_trang\"><\/span><strong>1. B\u1ecf \u0111\u01b0\u1eddng Gridlines b\u1eb1ng t\u00f4 m\u00e0u n\u1ec1n tr\u1eafng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gridlines l\u00e0 \u0111\u01b0\u1eddng k\u1ebb m\u1edd ph\u00e2n chia c\u00e1c \u00f4 trong 1 sheet. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p mu\u1ed1n lo\u1ea1i b\u1ecf \u0111\u01b0\u1eddng k\u1ebb m\u1edd n\u00e0y, ch\u00fang ta l\u1ea1i th\u01b0\u1eddng l\u00e0m c\u00e1ch t\u00f4 m\u00e0u n\u00ean l\u00e0 m\u00e0u tr\u1eafng. \u0110\u1eb7c bi\u1ec7t h\u01a1n khi ch\u00fang ta l\u1ea1i ch\u1ecdn to\u00e0n b\u1ed9 c\u00e1c \u00f4 trong Sheet v\u00e0 t\u00f4 m\u00e0u nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n<ul>\n<li>B\u01b0\u1edbc 1: ch\u1ecdn t\u1ea5t c\u1ea3 c\u00e1c \u00f4 trong sheet b\u1eb1ng vi\u1ec7c b\u1ea5m v\u00e0o \u0111o\u1ea1n giao nhau gi\u1eefa t\u00ean c\u1ed9t, t\u00ean d\u00f2ng<\/li>\n<li>B\u01b0\u1edbc 2: b\u1ea5m ch\u1ecdn t\u00f4 m\u00e0u n\u1ec1n v\u00e0 ch\u1ecdn m\u00e0u tr\u1eafng.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20180\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/bo-gridlines-bang-to-mau.png\" width=\"733\" height=\"447\" title=\"bo-gridlines-bang-to-mau\"><\/p>\n<p>Kh\u00f4ng r\u00f5 ai \u0111\u00e3 ch\u1ec9 cho b\u1ea1n c\u00e1ch n\u00e0y, nh\u01b0ng ch\u00fang ta h\u00e3y nh\u1edb r\u1eb1ng c\u00e1ch n\u00e0y <strong>100% SAI<\/strong> v\u00e0 g\u00e2y ra l\u1ed7i nghi\u00eam tr\u1ecdng l\u00e0 <strong>l\u00e0m n\u1eb7ng file.<\/strong><\/p>\n<p>C\u00f3 1 c\u00e1ch \u0111\u01a1n gi\u1ea3n h\u01a1n nhi\u1ec1u v\u00e0 kh\u00f4ng h\u1ec1 t\u1ed1n c\u00f4ng, \u0111\u00f3 l\u00e0 vi\u1ec7c t\u1eaft vi\u1ec7c hi\u1ec3n th\u1ecb <strong>Gridlines<\/strong> trong <strong>th\u1ebb View<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20181\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/bo-gridlines-the-view.png\" width=\"395\" height=\"387\" title=\"bo-gridlines-the-view\"><\/p>\n<div class=\"code-block code-block-1\" style=\"margin: 8px 0;clear: both\">\n<div class=\"ad-inserterpro\">\n<a href=\"https:\/\/hocexcel.online\/course\/preview\/ex101-excel-tu-co-ban-den-chuyen-gia-danh-cho-nguoi-di-lam\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/ex101_92019-nho-313.gif\" title=\"ex101_92019-nho-313\"><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"2_Thiet_lap_bo_loc_tu_dong_Auto_Filter_khong_kiem_soat\"><\/span><strong>2. Thi\u1ebft l\u1eadp b\u1ed9 l\u1ecdc t\u1ef1 \u0111\u1ed9ng Auto Filter kh\u00f4ng ki\u1ec3m so\u00e1t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c thi\u1ebft l\u1eadp Auto Filter kh\u00f4ng ki\u1ec3m so\u00e1t c\u0169ng l\u00e0m file b\u1ecb n\u1eb7ng h\u01a1n. Ch\u00fang ta th\u01b0\u1eddng hay m\u1eafc l\u1ed7i l\u00e0\u00a0kh\u00f4ng ch\u1ecdn tr\u01b0\u1edbc v\u00f9ng d\u1eef li\u1ec7u c\u1ea7n l\u1ecdc m\u00e0 c\u1ee9 b\u1ea5m ngay v\u00e0o n\u00fat Filter trong th\u1ebb Data, k\u1ebft qu\u1ea3 l\u00e0 ch\u1ee9c n\u0103ng Filter \u00e1p d\u1ee5ng th\u1eeba sang c\u1ea3 nh\u1eefng v\u00f9ng d\u1eef li\u1ec7u kh\u00f4ng li\u00ean quan, n\u1eb1m ngo\u00e0i b\u1ea3ng t\u00ednh c\u1ea7n l\u1ecdc:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20182\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/loi-filter-khong-kiem-soat.png\" width=\"992\" height=\"290\" title=\"loi-filter-khong-kiem-soat\"><\/p>\n<p>C\u00e1ch kh\u1eafc ph\u1ee5c l\u00e0 ch\u1ecdn v\u00f9ng d\u1eef li\u1ec7u c\u1ea7n l\u1ecdc tr\u01b0\u1edbc, sau \u0111\u00f3 m\u1edbi b\u1ea5m ch\u1ecdn Auto Filter<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Thiet_lap_Data_Validation_Conditional_Formatting_khong_co_gioi_han\"><\/span><strong>3. Thi\u1ebft l\u1eadp Data Validation, Conditional Formatting kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hai ch\u1ee9c n\u0103ng Data Validation v\u00e0 Conditional Formatting c\u00f3 t\u00ednh \u1ee9ng d\u1ee5ng r\u1ea5t cao n\u00ean th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Tuy nhi\u00ean vi\u1ec7c s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n, kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t th\u00ec s\u1ebd g\u00e2y n\u1eb7ng file v\u00e0 l\u00e0m ch\u1eadm vi\u1ec7c t\u00ednh to\u00e1n. B\u1edfi m\u1ed7i 1 \u00f4 ch\u1ee9a Data Validation, Conditional formatting \u0111\u1ec1u gi\u1ed1ng nh\u01b0 1 \u00f4 ch\u1ee9a c\u00f4ng th\u1ee9c. Excel c\u0169ng ph\u1ea3i d\u00e0nh t\u00e0i nguy\u00ean, b\u1ed9 nh\u1edb cho vi\u1ec7c n\u00e0y, c\u0169ng ph\u1ea3i t\u00ednh to\u00e1n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f3 li\u00ean quan.<\/p>\n<p>Do \u0111\u00f3 ch\u00fang ta c\u1ea7n tu\u00e2n th\u1ee7 nguy\u00ean t\u1eafc: D\u00f9ng t\u1edbi \u0111\u00e2u thi\u1ebft l\u1eadp \u0111\u1ebfn \u0111\u00f3. Ho\u1eb7c x\u00e1c \u0111\u1ecbnh 1 m\u1ed1c gi\u1edbi h\u1ea1n t\u1eeb tr\u01b0\u1edbc v\u00e0 ch\u1ec9 thi\u1ebft l\u1eadp t\u1ea1m th\u1eddi t\u1edbi \u0111\u00f3.<\/p>\n<p>V\u00ed d\u1ee5 ch\u00fang ta mu\u1ed1n thi\u1ebft l\u1eadp Data Validation cho v\u00f9ng d\u1eef li\u1ec7u c\u1ed9t T\u00ean m\u1eb7t h\u00e0ng, nh\u01b0ng thay v\u00ec thi\u1ebft l\u1eadp cho c\u1ea3 c\u1ed9t th\u00ec ch\u00fang ta ch\u1ec9 gi\u1edbi h\u1ea1n t\u1eeb d\u00f2ng 2 t\u1edbi d\u00f2ng 1000. D\u1ef1 ki\u1ebfn b\u1ea3ng d\u1eef li\u1ec7u s\u1ebd c\u00f3 kho\u1ea3ng 1000 d\u00f2ng. Khi n\u00e0o g\u1ea7n \u0111\u1ebfn gi\u1edbi h\u1ea1n n\u00e0y th\u00ec ch\u00fang ta m\u1edbi thi\u1ebft l\u1eadp m\u1edf r\u1ed9ng h\u01a1n. Nh\u01b0 v\u1eady ki\u1ec3m so\u00e1t dung l\u01b0\u1ee3ng file s\u1ebd t\u1ed1t h\u01a1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20183\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/data-validation-gioi-han.png\" width=\"865\" height=\"541\" title=\"data-validation-gioi-han\"><\/p>\n<p>Xem th\u00eam:<\/p>\n<p style=\"padding-left: 30px\"><a href=\"http:\/\/blog.ezworkapp.com\/cach-thiet-lap-chi-nhap-du-lieu-dang-ngay-thang-trong-o-tren-excel.html\">C\u00e1ch thi\u1ebft l\u1eadp ch\u1ec9 nh\u1eadp d\u1eef li\u1ec7u d\u1ea1ng ng\u00e0y th\u00e1ng trong \u00f4 tr\u00ean Excel<\/a><\/p>\n<p style=\"padding-left: 30px\"><a href=\"http:\/\/blog.ezworkapp.com\/cach-gioi-han-loai-du-lieu-nhap-vao-o-trong-excel.html\">C\u00e1ch gi\u1edbi h\u1ea1n lo\u1ea1i d\u1eef li\u1ec7u nh\u1eadp v\u00e0o \u00f4 trong Excel<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Luu_duoi_dinh_dang_file_xls\"><\/span>L\u01b0u d\u01b0\u1edbi \u0111\u1ecbnh d\u1ea1ng file .xls<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110u\u00f4i file .xls l\u00e0 d\u1ea1ng \u0111u\u00f4i file d\u00e0nh cho phi\u00ean b\u1ea3n Excel 97-2003. \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n \u0111\u00e3 l\u1ed7i th\u1eddi, kh\u1ea3 n\u0103ng n\u00e9n d\u1eef li\u1ec7u th\u1ea5p. Do \u0111\u00f3 khi l\u01b0u \u1edf \u0111\u1ecbnh d\u1ea1ng n\u00e0y th\u00ec c\u00f3 th\u1ec3 l\u00e0m t\u0103ng dung l\u01b0\u1ee3ng file. Ngo\u00e0i ra c\u00f2n \u1ea3nh h\u01b0\u1edfng t\u1edbi 1 s\u1ed1 t\u00ednh n\u0103ng, h\u00e0m kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c \u1edf c\u00e1c phi\u00ean b\u1ea3n \u0111\u1eddi c\u0169. Do \u0111\u00f3 khi l\u01b0u file ch\u00fang ta c\u1ea7n ch\u00fa \u00fd t\u1edbi \u0111u\u00f4i file, \u0111\u1ecbnh d\u1ea1ng file.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng l\u01b0u \u1edf 2 d\u1ea1ng sau:<\/p>\n<ul>\n<li>File kh\u00f4ng ch\u1ee9a macro: d\u1ea1ng file .xlsx<\/li>\n<li>File c\u00f3 ch\u1ee9a macro: d\u1ea1ng file .xlsm ho\u1eb7c .xlsb<\/li>\n<\/ul>\n<p>Xem th\u00eam:\u00a0<a href=\"http:\/\/blog.ezworkapp.com\/huong-dan-cach-luu-file-excel-khong-bi-mat-macro-vba-excel.html\">H\u01b0\u1edbng d\u1eabn c\u00e1ch l\u01b0u file excel kh\u00f4ng b\u1ecb m\u1ea5t macro VBA excel<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Qua_nhieu_cong_thuc_dong\"><\/span>Qu\u00e1 nhi\u1ec1u c\u00f4ng th\u1ee9c \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c t\u00ednh to\u00e1n nhanh hay ch\u1eadm trong Excel ph\u1ee5 thu\u1ed9c v\u00e0o 2 y\u1ebfu t\u1ed1:<\/p>\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng c\u00f4ng th\u1ee9c<\/li>\n<li>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00f4ng th\u1ee9c<\/li>\n<\/ul>\n<p>V\u00ec v\u1eady c\u00e0ng nhi\u1ec1u \u00f4 ch\u1ee9a c\u00f4ng th\u1ee9c th\u00ec c\u0169ng khi\u1ebfn file n\u1eb7ng h\u01a1n, t\u00ednh to\u00e1n nhi\u1ec1u h\u01a1n. Khi \u1edf ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n t\u1ef1 \u0111\u1ed9ng (Calculator Automatic) th\u00ec m\u1ed7i khi c\u00f3 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o, to\u00e0n b\u1ed9 c\u00f4ng th\u1ee9c s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i \u0111\u1ec3 c\u1eadp nh\u1eadt. Do \u0111\u00f3 \u0111\u1ec3 c\u00f3 th\u1ec3 gi\u00fap file nh\u1eb9 v\u00e0 t\u00ednh nhanh, ch\u00fang ta c\u1ea7n ph\u1ea3i h\u1ebft s\u1ee9c ch\u00fa \u00fd khi b\u1ed1 c\u1ee5c c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u, l\u00e0m sao h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ed1 \u00f4 ch\u1ee9a c\u00f4ng th\u1ee9c. Ngo\u00e0i ra c\u00f2n ph\u1ea3i ph\u00e1t tri\u1ec3n thu\u1eadt to\u00e1n \u0111\u1ec3 l\u00e0m sao c\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t, d\u1ec5 t\u00ednh to\u00e1n nh\u1ea5t, tr\u00e1nh l\u00f2ng v\u00f2ng, ph\u1ee9c t\u1ea1p h\u00f3a v\u1ea5n \u0111\u1ec1.<\/p>\n<p>M\u1ed9t s\u1ed1 quy t\u1eafc c\u1ea7n nh\u1edb khi t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u:<\/p>\n<ul>\n<li>B\u1ea3ng d\u1eef li\u1ec7u (database \u2013 n\u01a1i t\u1eadp h\u1ee3p d\u1eef li\u1ec7u nh\u1eadp v\u00e0o) h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ed1 c\u00f4ng th\u1ee9c. B\u1edfi c\u1ea5u tr\u00fac b\u1ea3ng d\u1eef li\u1ec7u th\u01b0\u1eddng l\u1edbn, c\u00f3 nhi\u1ec1u d\u00f2ng, nhi\u1ec1u c\u1ed9t. Do \u0111\u00f3 n\u00ean thi\u1ebft k\u1ebf sao cho thu\u1ea7n t\u00fay l\u00e0 d\u1eef li\u1ec7u, tr\u00e1nh s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c trong b\u1ea3ng n\u00e0y.<\/li>\n<li>Tr\u00e1nh s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c m\u1ea3ng. C\u00e1c c\u00f4ng th\u1ee9c m\u1ea3ng khi\u1ebfn vi\u1ec7c t\u00ednh to\u00e1n ch\u1eadm h\u01a1n so v\u1edbi d\u1ea1ng th\u01b0\u1eddng. Do \u0111\u00f3 h\u1ea1n ch\u1ebf vi\u1ec7c d\u00f9ng c\u00f4ng th\u1ee9c m\u1ea3ng. Trong tr\u01b0\u1eddng h\u1ee3p b\u00e1o c\u00e1o c\u00f3 nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u00ec c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m Sumifs, Countifs thay cho h\u00e0m Sumproduct, c\u00f4ng th\u1ee9c m\u1ea3ng.<\/li>\n<li>Tr\u01b0\u1eddng h\u1ee3p bu\u1ed9c ph\u1ea3i d\u00f9ng nhi\u1ec1u c\u00f4ng th\u1ee9c ho\u1eb7c file th\u1ef1c s\u1ef1 ph\u1ee9c t\u1ea1p, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n l\u00e0 manual khi nh\u1eadp d\u1eef li\u1ec7u. Khi l\u1eadp b\u00e1o c\u00e1o th\u00ec m\u1edbi cho ph\u00e9p t\u00ednh to\u00e1n v\u1edbi ph\u00edm F9<\/li>\n<\/ul>\n<p>Xem th\u00eam: C\u00e1ch thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng b\u1eb1ng ph\u00edm F9 tr\u00ean Excel<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Su_dung_qua_nhieu_Name_thua_Name_loi_Lien_ket_toi_ben_ngoai_file\"><\/span>S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u Name th\u1eeba, Name l\u1ed7i, Li\u00ean k\u1ebft t\u1edbi b\u00ean ngo\u00e0i file<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng Name Range c\u0169ng c\u1ea7n ch\u00fa \u00fd. Name Range th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 1 gi\u1ea3i ph\u00e1p gi\u00fap qu\u1ea3n l\u00fd d\u1eef li\u1ec7u t\u1ed1t h\u01a1n, s\u1eed d\u1ee5ng nhanh h\u01a1n trong c\u00f4ng th\u1ee9c. Tuy nhi\u00ean nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 khi copy d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u1eb7t t\u00ean th\u00ec Excel s\u1ebd cho ph\u00e9p mang c\u1ea3 t\u00ean \u0111\u00f3 theo. Nh\u01b0 v\u1eady r\u1ea5t d\u1ec5 x\u1ea3y ra vi\u1ec7c c\u00f3 nh\u1eefng Name tham chi\u1ebfu t\u1edbi file kh\u00e1c, name r\u00e1c kh\u00f4ng mong mu\u1ed1n.<\/p>\n<p>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/p>\n<ul>\n<li>Ki\u1ec3m tra trong h\u1ed9p tho\u1ea1i Name Manager v\u00e0 l\u1ecdc nh\u1eefng Name l\u1ed7i, Name tham chi\u1ebfu t\u1edbi workbook kh\u00e1c \u0111\u1ec3 x\u1eed l\u00fd (h\u1ed9p tho\u1ea1i Name Manager trong th\u1ebb Formulas)<\/li>\n<li>Ki\u1ec3m so\u00e1t c\u00e1c Name \u0111\u1ed9ng, Name ch\u1ee9a c\u00f4ng th\u1ee9c. H\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c Name n\u00e0y khi c\u00f3 th\u1ec3.<\/li>\n<\/ul>\n<p>Xem th\u00eam:\u00a0<a href=\"http:\/\/blog.ezworkapp.com\/32-%E2%97%8F-cach-su-dung-name-range-trong-excel-dat-ten-cho-vung-du-lieu.html\">C\u00e1ch s\u1eed d\u1ee5ng name range trong excel, \u0111\u1eb7t t\u00ean cho v\u00f9ng d\u1eef li\u1ec7u<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi l\u00e0m vi\u1ec7c tr\u00ean Excel, ch\u00fang ta n\u00ean c\u00f3 th\u00f3i quen ki\u1ec3m so\u00e1t c\u00e1c t\u00e0i nguy\u00ean m\u00e0 Excel cung c\u1ea5p. B\u1edfi vi\u1ec7c s\u1eed d\u1ee5ng 1 c\u00e1ch l\u00e3ng ph\u00ed, kh\u00f4ng ki\u1ec3m so\u00e1t s\u1ebd g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i kh\u00f3 l\u01b0\u1eddng. Excel c\u0169ng nh\u01b0 nh\u1eefng c\u00f4ng c\u1ee5 kh\u00e1c, n\u00f3 ch\u1ec9 c\u00f3 \u00edch v\u00e0 hi\u1ec7u qu\u1ea3 khi ch\u00fang ta d\u00f9ng \u0111\u00fang c\u00e1ch, \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p, s\u1eed d\u1ee5ng ti\u1ebft ki\u1ec7m v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1eefng g\u00ec ch\u00fang ta c\u00f3.<\/p>\n<p>Trong nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e3 n\u00eau \u1edf tr\u00ean, vi\u1ec7c ph\u00e1t tri\u1ec3n t\u01b0 duy logic \u0111\u1ec3 vi\u1ebft h\u00e0m t\u1ed1t h\u01a1n, hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 kh\u00f3 nh\u1ea5t. C\u00f2n nh\u1eefng n\u1ed9i dung kh\u00e1c ch\u1ec9 c\u1ea7n b\u1ea1n ch\u00fa \u00fd trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n<p>B\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam nh\u1eefng ki\u1ebfn th\u1ee9c kh\u00e1c v\u1ec1 Excel? H\u00e3y tham gia kh\u00f3a h\u1ecdc <a href=\"http:\/\/bit.ly\/2uckU4V\">Excel t\u1eeb c\u01a1 b\u1ea3n t\u1edbi chuy\u00ean gia<\/a> c\u1ee7a H\u1ecdc Excel Online. \u0110\u00e2y l\u00e0 kh\u00f3a h\u1ecdc r\u1ea5t b\u1ed5 \u00edch gi\u00fap b\u1ea1n hi\u1ec3u v\u1ec1 c\u00e1c h\u00e0m, s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 trong Excel, \u1ee9ng d\u1ee5ng Excel v\u00e0o trong c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y.<\/p>\n<p><strong>Xem th\u00eam: T\u1ea1i sao<a href=\"http:\/\/blog.ezworkapp.com\/file-excel-bi-nang-lam-sao-de-giam-dung-luong.html\"> file excel dung l\u01b0\u1ee3ng l\u1edbn b\u1ea5t th\u01b0\u1eddng<\/a>? C\u00e1ch gi\u1ea3i quy\u1ebft<\/strong><\/p>\n<\/div>\n<div class=\"uk-panel uk-margin uk-width-xlarge\">\n<p>Click \u0111\u0103ng k\u00fd h\u1ecdc t\u1ea1i:<\/p>\n<p><a href=\"http:\/\/blog.ezworkapp.com\/khoa-hoc\" target=\"_blank\" rel=\"noopener\">T\u1ea5t c\u1ea3 kho\u00e1 h\u1ecdc\u00a0<span>\ud83d\udcd6<\/span><\/a><\/p>\n<p><a href=\"http:\/\/blog.ezworkapp.com\/huong-dan-kich-hoat-khoa-hoc-tai-hoc-excel-online.html\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn k\u00edch ho\u1ea1t<\/a><\/p>\n<p>HKD H\u1ecdc Excel Online<br \/>S\u1ed1 \u0110K: 17A80048102<\/p>\n<\/div>\n<div class=\"uk-panel uk-text-small uk-margin uk-margin-remove-bottom uk-text-center\">\n<p>\u00a9  document.currentScript.insertAdjacentHTML(&#8216;afterend&#8217;, &#8221; + new Intl.DateTimeFormat(document.documentElement.lang, {year: &#8216;numeric&#8217;}).format() + &#8221;);  H\u1ecdc Excel Online. All rights reserved.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"ad-inserterpro\">\n<a href=\"https:\/\/hocexcel.online\/course\/preview\/ex101-excel-tu-co-ban-den-chuyen-gia-danh-cho-nguoi-di-lam\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2024\/12\/ex101_92019-nho-313.gif\"><br \/>\n<\/a>\n<\/div>\n","protected":false},"author":1,"featured_media":3938,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-excel-co-ban"],"_links":{"self":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts\/3937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/comments?post=3937"}],"version-history":[{"count":0,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts\/3937\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/media\/3938"}],"wp:attachment":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/media?parent=3937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/categories?post=3937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/tags?post=3937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}