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Windows 10 - Show File Extensions

How to turn on/off the file extension visibility in Windows 10.

1. Open Windows File Explorer by clicking on the folder icon in the task bar.
2. Click on the View tab
  • Check the box next the File name extensions to show extensions.
  • To hide them again, uncheck the box.


If you have questions, please contact the ITS Help Desk at 608.342.1400 or helpdesk@uwplatt.edu.  You may also visit the Help Desk on the first floor of the Karrmann Library.



Keywords:hidden hide file extension extensions windows 10 show   Doc ID:67191
Owner:Nathan M.Group:UW Platteville
Created:2016-09-23 13:00 CSTUpdated:2018-05-04 09:13 CST
Sites:UW Platteville
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