If you still get the error, use these solutions to fix Excel Online is not working and won’t open files: Clear browser cookies and cache. Remove problematic add-ons. Check the default file ...

You can now open shared Word, Excel, and PowerPoint files on Android, with no Microsoft account needed. You can tap a link, ...

XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

Back in the day, you needed to sign in with a Microsoft account just to open shared Office docs. Earlier this year, Microsoft made this change for iPhone users, and now Android us ...

With only a few extra clicks you can edit Word and Excel files in the Safari browser on your iPad ... but when you open the files in their native formats on the iPad, you can view but not edit ...

That’s it. The Excel file should open in Numbers. Before you start working on your spreadsheet, look it over carefully. Formatting may have changed, especially with charts. Check to make sure ...