Ulead Photo Express messages file
File type: Various data file
An .idm file is an internal messages file used by the old Ulead Photo Express photo editor.
It contains data for messages used by the application rather than a user photo or project.
Found 3 different file type records with the same idm filename suffix.
File type category:
Various data file
Date updated: October 27, 2026
Ulead Photo Express was a photo-editing application for Microsoft Windows. Its .idm files contain internal message data used by the program.
These files belong to the application's supporting data and are not intended to be edited as standalone documents. The format is associated with older Windows versions of Ulead Photo Express.
Open an .idm file with Ulead Photo Express on Microsoft Windows. As far as we know, these files are only used by Ulead Photo Express. The file is an internal application resource, so it may not open as a readable document on its own.
.idm message files are internal data files and do not have a meaningful standalone conversion or export option. They are normally used in their original form by Ulead Photo Express.
Software applications that handle other tasks involving idm files:
Microsoft Windows
Ulead Photo Express
File type category:
Game file
Date updated: January 24, 2019
The idm file extension is associated with the Fahrenheit (Indigo Prophecy) an action adventure video game game for Microsoft Windows, Xbox and Sony Playstation 2.
The idm file contains various game data for internal purposes of the Fahrenheit.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving idm files:
Microsoft Windows
File type category:
Various data file
Date updated: January 18, 2019
The idm file extension is associated with the iData Mobile, a database tool for Apple iOS an operating system installed in the Apple iPhone, iPad and iPod Touch devices.
The idm file contains various data for iData Mobile.
Use iData or iData Mobile to open IDM datafile.
Probably cannot be converted to other formats.
Software applications that can open idm files:
Apple macOS / Mac OS X
Apple iOS
Software applications that can edit idm files:
Apple macOS / Mac OS X
Apple iOS
Software capable of saving idm files:
Apple macOS / Mac OS X
Apple iOS
Software apps that create idm files:
Apple macOS / Mac OS X
Apple iOS
Software apps that import idm files:
Apple macOS / Mac OS X
Software apps that export idm files:
Apple macOS / Mac OS X
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