Forum Discussion
YatesGriffin
Jan 18, 2026Iron Contributor
How to Safely Delete 30GB of .MSP Files in Windows 10
A scan with WinDirStat revealed that approximately 30GB of .MSP files have accumulated on the system drive. These files are known to be related to software updates but occupy an unusually large amoun...
EzraOak
Jan 28, 2026Iron Contributor
MSP files are Windows Installer Patch files used for updating and patching existing software.
Many of these files are stored in the Windows Update or SoftwareDistribution folders.
They are generally safe to delete only if the updates have been successfully installed and are not pending.