MTH file format description

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

1 filename extension(s) found in our database.

.mth - Derive Math File

The MTH data files are related to Derive Math. The MTH file is a Derive Math File. Derive was a computer algebra system, developed as a successor to muMATH by the Soft Warehouse in Honolulu, Hawaii, now owned by Texas Instruments.

Derive Math
Data files
- / -
Derive Math File related extensions:
Kexi Database Shortcut
eXtendable Wad Editor MIHB Data
MyLabel Designer Deluxe Label Data
SDL Trados Translation Memory Index
CRiSP Calibration Data
PReS Designer Print Control Data

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

Can't open a .mth 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 .mth file extension is often given incorrectly!

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

kth, lth, mgh, mh, mht, mrh, mt, mtb, mtg, mtj, mtm, mtn, mtt, mtu, myh

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Minitab Exec File
FastCAM MTO Data Template
Windows Trace Message Header File
Making the Grade Data
Dragon Age Morph Source
Nokia Phone Theme

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 .mth file format, then write to us! >> MTH file