A daily updated filename extension database!

TOS file extension

The table below provides useful information about the .tos file extension. It answers questions such as:

  • What is the .tos file?
  • What program do I need to open a .tos file?
  • How can the .tos file be opened, edited or printed?
  • How can I convert .tos files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ Atari ST TOS Executable

Atari ST TOS Executable .tos file icon
The TOS file is a Atari TOS Executable. TOS is the operating system of the Atari ST range of computers. TOS file is a program that didn't use GEM (Graphical Environment Manager).
Category: Application files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TOS aliases:
TOS related links:
TOS related extensions:
Atari ST TOS Executable With Parameters

Atari ST Executable

Atari ST PRX Executable

Atari ST Guide Data

Atari ST Program Executable

Atari ST Program

Atari ST Image

✅ The Only Sheet Settings Data

The Only Sheet Settings Data .tos file icon
The TOS file is a The Only Sheet Settings Data. The Only Sheet is a character sheet workbook that's powered by Excel.
TOS format description not yet available
Application: The Only Sheet
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TOS aliases:
TOS related links:
TOS related extensions:
The Only Sheet Settings Data

Other types of files may also use the .tos file extension.

🚫 The .tos file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

fos, os, ots, ros, tis, tks, tls, toc, toe, tow, tox, tps, ts, tso, yos

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

TuneUp Utilities Logon Screen
Bryce Tree Shape Data
Fallout 3 Saved Game
Lucene Term Infos
TouchDesigner Component Data
BattleScribe Roster Editor Data
Brasero ToC Data
The Studio Organizer Data
PilesOTiles Game Data
TexturePacker Sprite Sheet Data

🔴 Can't open a .tos file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .tos file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .tos file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文