tldr/pages/windows/assoc.md

assoc

Display or modify file extension associations. More information: https://docs.microsoft.com/windows-server/administration/windows-commands/assoc.

• Display all associated filetypes:

assoc

• Display the associated filetype for a specific extension:

assoc {{.txt}}

• Modify the associated filetype for a specific extension:

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