How to Find Large Files in Windows
Locate what is using disk space in Windows 11 with Storage settings and File Explorer, before you delete folders you do not recognize.
Storage Cleanup
Finding what is using space and freeing it without deleting the wrong folders.
Start with the closest symptom
These guides are grouped here because the first checks overlap. Open the guide that best matches what you see now, then use its verification section before moving to a broader fix.
Safe Ways to Free Disk Space in Windows 11
Free space on Windows 11 with Temporary files, Recycle Bin, and unused apps, without deleting Windows, WinSxS, or mystery "cleaner" downloads.
Related tools
- File Extension Lookup, Look up common Windows file extensions and see what they usually are, what opens them, and when to be careful.