assoc

Display or change associations between file extensions and file types. More information: https://learn.microsoft.com/windows-server/administration/windows-commands/assoc.

List all associations between file extensions and file types:

assoc

Display the associated file type for a specific extension:

assoc {{.txt}}

Set the associated file type for a specific extension:

assoc .{{txt}}={{txtfile}}

View the output of assoc one screen at a time:

assoc | {{more}}