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

Restart PC. The file association settings for .bak file type should now be removed on your computer, and the deleted file type will be set as unknown by Windows. This is how you can remove File ...

If you are a PC ... file is mounted as a Virtual Disk, right-click on the disk and click on Save to image file. Choose the folder where you want to save the converted file and change the Save as ...