Have you just downloaded a work PDF and suddenly found the file has the extension of a text file (TXT) or even no extension ...

If you want to rename all file extensions in a folder or sub-folder at once on Windows 11 or Windows 10 PC, here is how you can do that. You do not need to use a third-party application as you can ...

Next, select Rename from the pop-up menu, and edit the file extension to whatever format you want it converted to. For ...