Issue Description
Files may open in the wrong app after updates or new installations.
Common Causes
- App installs resetting defaults
- Windows updates overriding settings
Step-by-Step Solution
Step 1: Change Default Apps
- Open Settings → Apps → Default apps
- Select the app
- Assign supported file types
Step 2: Change by File Type
- Scroll to Choose defaults by file type
- Select extension
- Assign preferred app
Step 3: Reset Defaults (If Needed)
- Reset to Microsoft recommended defaults
- Reconfigure manually
Explore Further
- Lock defaults via Group Policy
Prevention & Best Practices
Review default apps after installing new software.