- To change the file explorer’s default picture.
- Open File Explorer and right-click on the folder you’d like to modify.
- Then click the Customize button and choose “Choose File” from the drop-down menu.
Open the Settings app. Go to Accounts -> Your Account and select the Browse option under your current user avatar. In the Open window that appears on the screen, type C:\ProgramData\Microsoft\User Account Pictures in the address bar.
Open the Group Policy editor and go to “Computer Configuration -> Administrative Templates -> Control Panel -> User Accounts.” double-click on the “Apply the default account picture to all users” policy in the right panel.
Then, under Default Programs in the Control Panel, select Open. Select Associate a file type or protocol with a program from the drop-down menu. Select jpg as the extension and then choose Change Program from the drop-down menu in the upper left corner of the page.