If you've been accustomed to opening files from newer versions of Microsoft Word in older versions of the software, the error messages you see when you try to open ...

Another version of https://www.pcworld.com/tags/Microsoft+Office.html, another set of file-compatibility hassles. (No, really, thanks a ton, Microsoft.) Office 2007 ...

Microsoft introduced the DOCX format, which ends with the extension .docx, in 2007 as an upgrade to its popular word-processing program, Word. DOCX files' incompatibility with earlier versions of Word ...

Have you ever noticed how your computer knows which program to open when you double click on a file? It doesn’t always know but most of the time it does. When it doesn’t know, your computer will ask ...