If you receive Microsoft Excel cannot access the file, There are several possible reasons error message you can use the following suggestions to resolve the issue.

To unlock grayed-out menus for an Excel file created in a previous version, convert the file format to Excel 2007.

Learn to use the best new features in Excel for Microsoft 365 in Windows.

Launch Microsoft Excel and then press "Alt-F" to switch to the File tab. Select "Options" from the menu, and then select "Manual" from under Calculation Options on the Formulas tab.

A shared Microsoft 365 Lists list is more valuable if you can use it to update source data in Microsoft Excel.

Excel for Web upgrade Going forward, Microsoft Excel for the Web will now allow users to open and edit large files from SharePoint up to 100MB in size.

Ankush khandelwal asked about compatibility issues between files created in different versions of Microsoft Office--specifically the big changes in file format that came with Office 2007.

How to use Microsoft 365 Lists to organize Excel data you must track or share Your email has been sent If you work in Teams or SharePoint, you’re probably familiar with the concept of lists ...

Microsoft has announced that it will start disabling external workbook links to blocked file types by default between October 2025 and July 2026.