File Extension Library


.IDM File Extension

  • Developer by: Ulead Systems
  • Category: Various data Files

What is an .IDM file?

.IDM file extension is created by Ulead Systems. .IDM has been classified as Various data Files.

.IDM is Ulead Photo Express messages file

File extension idm is associated with the Ulead Photo Express, a tool for Microsoft Windows operating system that allows users to edit and enhance photo images. These .idm files contains some kind of internal data.


How to open:

As far as we know, these .idm files are only used in Ulead Photo Express.

How to convert:

It does not seem to be possible to convert this type of .idm file to anything else.

How to Open .IDM file on different platforms

Open .IDM File on Windows

  • Right-click a .IDM
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .IDM file and Select check box "Always use this app to open .IDM files" Press "Ok"

Open .IDM File on Mac

  • Right-click (or Ctrl + Left-click) the .IDM file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .IDM File on Linux

Right click on the .IDM file, choose "Open with" and select a program from the list above

Open .IDM File on iPhone

Select a file. If you don't see an application to open the .IDM file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .IDM File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .IDM files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .IDM files

  1. You need to update the application that you normally use to open .IDM files. Only the latest version of the software supports the current .IDM file format
  2. You need to check the .IDM file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)