The File Extensions Database


.ACU File Extension

  • Developer by: Micro Focus International plc
  • Category: Source code and script Files

What is an .ACU file?

.ACU is Machine independent COBOL object

The acu file extension is associated with COBOL machine independent object. COBOL is one of the oldest programming languages.

Its name is an acronym for COmmon Business-Oriented Language, defining its primary domain in business, finance, and administrative systems for companies and governments.

This acu file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.


How to open:

Use ACUCOBOL-GT to open *.acu object files.

How to convert:

Probably cannot be converted to other formats.

How to solve problems with ACU files

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