Windows 11 File Associations Explained: Which App Opens Which File?

by: Larry MillerPublished on: 24/05/2026

Every file extension (.mp3, .jpg, .docx) is linked to a default app — and you can change any of them in Settings → Apps → Default apps.

Windows 11file associationsbeginner guidePC controlapp settings
Windows 11 File Associations Explained: Which App Opens Which File?

Windows 11 File Associations Explained: What They Are and How to Change Them

by: Larry MillerPublished on: 24/05/2026

Every file extension (.mp3, .jpg, .docx) is linked to a default app — file associations. Learn what they are and how to change any of them in Windows 11.

Windows 11file associationsbeginner guidePC tipsfile management
Windows 11 File Associations Explained: What They Are and How to Change Them