Safe to Delete

Blender Backup Files (.blend1, .blend2)

Space: 1 GB – 15 GB+ creative Windows, macOS, Linux
Quick Answer: Blender automatically creates .blend1 and .blend2 backup files upon saving. Deleting old .blend1 files is safe.

Bottom Line: It is 100% safe to delete .blend1 and .blend2 files if your primary .blend 3D scene file opens without issues.

What are .blend1 Files?

Every time you save a .blend file, Blender renames the previous save file to .blend1 (and .blend2 if configured).

How to Delete Blender .blend1 Files

Get-ChildItem -Path "C:\BlenderProjects" -Filter "*.blend1" -Recurse | Remove-Item -Force

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