>> PMDH file

PMDH file format description

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

1 filename extension(s) found in our database.

.pmdh - Pegasus Mail for Mac Data

The PMDH data files are related to Pegasus Mail. PMDH file is a Pegasus Mail for Mac Data. Pegasus Mail is a previously freeware, proprietary, email client that is developed and maintained by David Harris.

Pegasus Mail
Data files
- / -
Pegasus Mail for Mac Data related extensions:
eBahn Desktop Automotive Repair Information
Nokia Ovi Suite Data
Autodesk Maya 3D GE2 Exported Data
Microsoft IIS Web Location Data
Windows SDK Makefile
ETCBC Analyzed Text Data

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

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

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

mdh, pdh, pmd, pmh

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MikuMikuDance PolyMo Model Data
Payroll Mate Database File
Poser Morph Target
Adobe Pagemaker 7.0 Document
Madhyam Document
Pegasus Mail User Dictionary

Operating systems currently supports the following operating systems:

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

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