Sharing an Excel workbook usually means playing tech support later when a coworker accidentally deletes your formulas. But you don't have to just hope for the best. These straightforward security ...

At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes. Editor’s note: In the video, Brandon Vigliarolo walks you through ...

This month's monster security patch for Office breaks Excel when it tries to open HTML files, and it seems unlikely Microsoft will fix the problem Excel users are reporting an odd bug in the way Excel ...