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TMG file extension

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

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

Table of Contents

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

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

✅ The Master Genealogist Data

TMG file is a The Master Genealogist Data. The Master Genealogist (TMG) is genealogy software for Microsoft Windows first released in 1993.
TMG format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TMG aliases:
TMG related links:
TMG related extensions:
The Master Genealogist Project

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

🚫 The .tmg file extension is often given incorrectly!

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

ymg, tm, mg, tlg, tmn, tng, fmg, tmv, tmr, tmh, tmb, rmg, gmg, tmy, tmt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Yahoo! Messenger Data
TeXmacs Document
Catalyst Translation Memory Data
MetaGuide Setup Data
Intuit QuickBooks Transaction Log
Tmin Input File
Harbour MiniGUI IDE Form
TimeCult Workspace
Trace Message Format File
TuxGuitar Document

🔴 Can't open a .tmg 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 .tmg 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 .tmg file extension, write to us!

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