Notes about the TOS 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 TOS file type is primarily associated with 'Atari' by Atari. TOS = The Operating System - Sometimes an archive. Also, sometimes a disk image.
Detailed information for file extension TOS:
Primary association: Atari
Mime type: application/octet-streamIdentifying characters
Hex: 60 1A , ASCII: `
Other applications associated with file type TOS:
- The Only Sheet PLUS [TOS+] (Data File) by Richard Taillon,
The Only Sheet+ is a Microsoft Excel workbook which has been designed to automate many aspects of character maintenance for players of the Dungeons & Dragons version 3.5 game published by Wizards of the Coast.
The Only Sheet is entirely based on the System Reference Document, which is part of the Open Game License.
This is a text file, similar to a .ini file, which contains information about a Character.
[A prior version (TOS) used the extension MCS which the new version cannot open.]
, This association is classified as Text.
- Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database
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.