{"id":64681,"date":"2026-04-07T10:08:34","date_gmt":"2026-04-07T09:08:34","guid":{"rendered":"https:\/\/hlrnet.com\/technoblog\/inicio\/?p=64681"},"modified":"2026-04-07T10:08:34","modified_gmt":"2026-04-07T09:08:34","slug":"excels-data-validation-is-far-more-powerful-than-just-dropdowns-heres-what-it-can-actually-enforce","status":"publish","type":"post","link":"https:\/\/hlrnet.com\/technoblog\/inicio\/excels-data-validation-is-far-more-powerful-than-just-dropdowns-heres-what-it-can-actually-enforce\/","title":{"rendered":"&#8220;Excel&#8217;s data validation is far more powerful than just dropdowns \u2014 here&#8217;s what it can actually enforce&#8221;"},"content":{"rendered":"<p>Excel&#8217;s data validation is far more powerful than just dropdowns \u2014 here&#8217;s what it can actually enforce<br \/>\n<a href=\"https:\/\/www.makeuseof.com\/excels-data-validation-more-powerful-than-just-dropdowns\/\" rel=\"nofollow\">https:\/\/www.makeuseof.com\/excels-data-validation-more-powerful-than-just-dropdowns\/<\/a><\/p>\n<ul>\n<li>Custom formulas let you control far more than a list<br \/>\nThe Custom option accepts any TRUE\/FALSE formula as a validation rule<\/li>\n<li>Prevent duplicate entries with a COUNTIF formula<br \/>\nIt flags repeats before they cause problems<\/li>\n<li>Force entries to follow a specific pattern or length<br \/>\nLEN and LEFT keep the data consistent<\/li>\n<li>Restrict dates so no one enters anything in the past<br \/>\nTODAY() keeps your date entries forward-looking<\/li>\n<li>These rules get stronger when you combine them<br \/>\nStack multiple conditions for tighter control<\/li>\n<\/ul>\n<div id=\"simple-translate\" class=\"simple-translate-system-theme\">\n<div>\n<div class=\"simple-translate-button isShow\" style=\"background-image: url('moz-extension:\/\/4fe9cde6-e923-4f4e-95a2-0682052323f6\/icons\/512.png'); height: 22px; width: 22px; top: -39px; left: -56px;\"><\/div>\n<div class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\">\n<div class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\">\n<div class=\"simple-translate-move\" draggable=\"true\"><\/div>\n<div class=\"simple-translate-result-contents\">\n<p class=\"simple-translate-result\" dir=\"auto\">\n<p class=\"simple-translate-candidate\" dir=\"auto\">\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Excel&#8217;s data validation is far more powerful than just dropdowns \u2014 here&#8217;s what it can actually enforce https:\/\/www.makeuseof.com\/excels-data-validation-more-powerful-than-just-dropdowns\/ Custom formulas let you control far more than a list The Custom option accepts any TRUE\/FALSE formula as a validation rule Prevent duplicate entries with a COUNTIF formula It flags repeats before<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":2,"footnotes":""},"categories":[54,10],"tags":[],"class_list":["post-64681","post","type-post","status-publish","format-standard","hentry","category-excel","category-office"],"publishpress_future_action":{"enabled":false,"date":"2026-05-02 18:18:22","action":"delete","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/posts\/64681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/comments?post=64681"}],"version-history":[{"count":0,"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/posts\/64681\/revisions"}],"wp:attachment":[{"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/media?parent=64681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/categories?post=64681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlrnet.com\/technoblog\/inicio\/wp-json\/wp\/v2\/tags?post=64681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}