I’ve often wondered why Microsoft thought it was a good idea to hide file extensions from a user. I guess it cleans up the display of file names and doesn’t add additional information that may confuse the common person. However, hiding the file extension is a potential security risk and may allow someone to inadvertently click on a file they shouldn’t. As an example, badfile.jpg.exe will show up as badfile.jpg, making you think that it is just a picture file.
TechViral has a post that with instructions to display the extensions for file in Windows 10. Basically, the steps are:
- Open File Explorer
- Click on the File menu choice
- Select Change folder and search options
- Select the View tab
- Now scroll down and uncheck the Hide extensions for known file types option.
- Click Apply
- Click OK
Go back and undo the actions if you want to hide the file extensions again.
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