The File Extensions Database


.ACFM File Extension

  • Developer by: Adobe Systems
  • Category: Font Files

What is an .ACFM file?

.ACFM is Adobe Composite Font Metrics File

Defines the structure of a composite font program; specifies the global metrics of the font program and the metrics of the immediate descendent font programs; metrics of individual characters in the font program are described within the associated .AFM file.

ACFM files also specify the metrics for Original Composite Font (OCF) fonts.

How to solve problems with ACFM files

  • Associate the ACFM file extension with the correct application. On :
    Windows: Right click on any ACFM file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ACFM files". Mac: Right click (or Ctrl-click) the ACFM 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 .ACFM is Adobe Composite Font Metrics File. Because only the current version supports the latest ACFM file format. Search, therefore, e.g. on the Adobe Systems manufacturer website after an available .ACFM is Adobe Composite Font Metrics File update.
  • To make sure that your ACFM file is not corrupted or virus-infected, get the file again and scan it with antivirus software.