File association rules
Choose a common extension or enter a custom one, then select an eligible Windows application or executable.
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Product
Choose which apps open your files and links.
OpenWithGuard puts file and browser associations in one place, so you can protect a choice and change it later without digging through Windows settings.
File typesCommon and custom extensions
Web linksYour selected browser
Local-firstRules remain on your PC
ReversiblePause, edit, or remove anytime
What you can manage
The controls you need, without hunting through Windows settings.
Every protected choice remains visible, editable, and removable.
Browser protection
Keep HTTP and HTTPS links routed to the browser you selected.
Rule management
Review current rules, see their state, and edit, pause, or remove them from one screen.
Strong protection
Optionally watch for repeated file-icon changes made by other software.
Background updates
Compatible updates download quietly. A download icon appears beside the installed version when one is ready to install.
How it works
Create a protected choice in three steps.
- 1Choose a file type
Select a common extension or enter your own.
- 2Choose an application
Use a registered app or select an executable directly.
- 3Save the rule
The association is applied and stays manageable inside OpenWithGuard.
Stored locally
Your protection rules stay on this PC.
OpenWithGuard does not upload file contents to provide protection. Account identity and deliberately limited product analytics are documented separately.
Read the Privacy Policy →For Windows