To resolve the 'Word cannot open the existing file (Normal.dotm)' error, reset the Normal.dotm file, use Open and Repair, and ...

For example, a Microsoft Word document ends with the extension .DOC. Changing that extension to .ZIP doesn’t change the file type, so that file is still a Word document file. Advertisement ...

For example, Word will associate itself with .docx files, Excel with .xlsx, and VLC Media Player with .mp4 files. This allows a user to double-click on a file and have the proper program launch ...

If the file format you want isn't available in Microsoft's default option, you can also dig a bit deeper for additional file format options. How to save a Microsoft Word doc in different file ...