The File Extensions Database


.RM3 File Extension

  • Developer by: Piotr Fusik and Adrian Matoga
  • Category: Bitmap image Files

What is an .RM3 file?

.RM3 is RAMbrandt picture image

Files with rm3 file extension are associated with the RAMbrandt, a graphics and picture editing software for ATARI 400, 800, 130 XE and XL 8-bit computers.

The rm3 file stores picture image created in RAMbrandt in 80x192 size with 128 colors.


How to open:

Use RECOIL to open *.rm3 files.

How to convert:

There is no specific information in the database, about how to convert this file extension. For general information try to look at:Basic info how to convert bitmap files

How to solve problems with RM3 files

  • Associate the RM3 file extension with the correct application. On :
    Windows: Right click on any RM3 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.RM3 files". Mac: Right click (or Ctrl-click) the RM3 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .RM3 is RAMbrandt picture image. Because only the current version supports the latest RM3 file format. Search, therefore, e.g. on the Piotr Fusik and Adrian Matoga manufacturer website after an available .RM3 is RAMbrandt picture image update.
  • To make sure that your RM3 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.