
How to Fix Issues with Date Filter in Excel (6 Possible Solutions)
Fix Excel date filter not working with proven steps: enable group dates, convert text to dates, remove blanks, unmerge, unprotect sheets.

Md. Shihab Uddin holds a Graduation in Crop Science and Technology and is pursuing a Postgraduate degree in Soil Science from the University of Rajshahi. With 4+ years of Excel and Google Sheets experience, he specializes in formulas, data cleaning, lookups, automation, VBA, formatting, and file management. He has authored 100+ in-depth Excel articles and is skilled in Power Automate, RPA, and Python. He enjoys creating efficient workflows and solving real-world data problems.
Articles by Shihab Shahriar are developed under the guidance of ExcelInsider’s core training program and are technically reviewed by Nehad Ulfat, lead spreadsheet consultant, to ensure accuracy and user-centric value.

Fix Excel date filter not working with proven steps: enable group dates, convert text to dates, remove blanks, unmerge, unprotect sheets.

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![[Fixed] Excel Not Highlighting Cells in Formula](https://pub-b39c974f4c124a36a2fb517be38076ec.r2.dev/images/2026/08/featured-image-excel-not-highlighting-cells-in-formula-ce84ffe8.webp)
Fix Excel not highlighting cells in formulas with easy methods—enable editing in cells, use VBA, repair Office, or check F2 settings.

Learn how to highlight dates older than today in Excel using the TODAY function or a VBA macro for automatic formatting.

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