Reader Bill has a number of really old (circa 1991) https://www.pcworld.com/tags/Microsoft+PowerPoint.html files that he wants to open in Office 2007. Unfortunately ...

A PDF — which stands for Portable Document Format — is an open standard document file extension created by Adobe. It has gained popularity in recent years because of the ease of use it affords ...

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 ...