If Excel files are not opening on your Windows 11 computer, you can find the reasons and the most effective solutions in this article.

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Use Microsoft Excel to calculate EBITDA (earnings before interest, tax, depreciation, and amortization) profit margin.

Learn how to open an XML File in Excel, Word, Chrome, and Edge on a Windows computer using the methods mentioned in this post.

Getting the “Word can’t do this because a dialog box is open” error? You hit OK, but it won’t go away. It usually means there’s another Word window open, a background process running, or a pop-up ...