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How to compare two excel files for differences? Using this web tool, you can compare Excel document easily. Just select first/original file in left window and second/modified file in right window.

Word and Excel used the DOC and XLS file extensions, respectively, by default from 1997 until 2004. From 2004 onward, Microsoft made DOCX and XLSX the default file extensions.

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 Excel is not opening on double-click or not responding on your Windows 11/10 PC, take a look at the addons first, or else follow these suggestions to resolve the issue.

To fix excel autosave not working issues, you can use Open and Repair option to repair the file, resave the temp files, disable addins & more ...