Notes about the GSMA file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The GSMA file type is primarily associated with 'Glove Shack Mail' by The Glove Shack. This file is used to store "mail" messages used on the Glove Shack Website. If the installer has been run, when a .GSMA file is opened the user's Web browser will take them to a page where they can read the messages.
Detailed information for file extension GSMA:
File classification: Archive
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.