Wsappbak — Work

wsappbak stands for . It is a proprietary file format used by Windows 10 and Windows 11 (including Windows Server 2019/2022 with Desktop Experience) to store backup copies of Microsoft Store applications (formerly known as Modern UI or Metro apps).

Then run:

# Manually check for orphaned wsappbak Get-ChildItem "C:\Program Files\WindowsApps\Deleted\*.wsappbak" -Recurse To delete them, you must first take ownership: wsappbak work

C:\Program Files\WindowsApps\Deleted\* Or sometimes inside: wsappbak stands for