If you Can't type numbers or formulas or enter data into Excel cells then it might be a problematic Add-in causing the problem. Here are some working fixes that may help.

If you want to know how to fix Excel Toolbar if it is not working in Windows 11/10, then use the effective solutions given in this post.

Excel’s Fill Handle tool does not recognize the European-style date format. This problem can be solved, as follows. In Windows 10, search for and launch the Region & language settings dialog box, ...

OpenAI led the funding round for an AI agent that could change your relationship with Microsoft Excel spreadsheets.