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.

"We are excited to share that you can now open and edit more files on the web and complete your job anywhere, in the browser of your choice," Microsoft noted in an Excel blog post announcing the news.

Create or open your file. If this is a new file you've just created and are saving it for the first time, proceed to Step 2. If you're re-saving an existing Excel document, navigate to its ...

How to Open an XLS File in Excel. 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 ...

Then, I’ll present a quick way to force Office 365 to always open a file in the desktop environment, regardless of where you open or save it. I’m using Office 365 on a Windows 10 64-bit system.

Arrgh!!! I'm a total PocketPC n00b who needs urgent help. I actually use a Visor, but my wife's employer has lent her an Axim 3 with a custom Excel spreadsheet thang to enter audit data onto. What ...