Notes about the AMSM 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 AMSM file type is primarily associated with 'Atomic Mail Sender' by AtomPark Software Inc.
AMSM files are project files used by Atomic Mail Sender for email campaigns.
It includes email templates and the recipients list used in a given project for easier access to your marketing campaigns. With Atomic Mail Sender installed, opening AMSM files is done from the File / Open option in the Menu Bar.
Detailed information for file extension AMSM:
Primary association: Atomic Mail Sender
Company: AtomPark Software Inc
File classification: Desktop Publishing
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.