I’m seeing many reports, in various locations, about this month’s Windows security patches breaking custom programs that import and export Excel XLS files. Programs that have worked for years are ...

Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...

There are two ways to fix this cause of the #SPILL! error. First, select the entire spill range (or at least the cell or cells causing the blockage), and drag it to another area in the worksheet. On ...

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 ...

Navigating the world of Excel can sometimes feel like walking a tightrope—one misstep, and you could find yourself facing costly errors that not only affect your bottom line but also your professional ...