TMG file format description

Many people share .tmg files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .tmg file can be edited, converted or printed with. On this page, we try to provide assistance for handling .tmg files.

1 filename extension(s) found in our database.

.tmg - The Master Genealogist Data

The TMG data files are related to The Master Genealogist. The TMG file is a The Master Genealogist Data. The Master Genealogist (TMG) is genealogy software for Microsoft Windows first released in 1993.

The Master Genealogist
Data files
- / -
The Master Genealogist Data related extensions:
G7 Click2Stitch Embroidery Design
VisualBoy Advance IPS Patch File
Treepad Icon Library Update
XML-Based Application Description Information
Super Project Definition File
Sidewinder Game Voice Settings

Naturally, other applications may also use the .tmg file extension. Even harmful programs can create .tmg files. Be especially cautious with .tmg files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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:

fmg, gmg, hmg, mg, mtg, rmg, tg, tkg, tlg, tm, tmb, tmf, tmh, tmn, tmr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

TextMaker Document Template
Trace Message Format File
Making the Grade Data
Windows Trace Message Format File
Global Mapper Grid Data
modhmm HMG model

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .tmg file format, then write to us! >> TMG file