File Extension A4M

Writer:   |   Revised: November 26, 2018

Microsoft Silver

A4M File Summary

File Extension A4M has only one distinct file type (Adobe Authorware Unpackaged File format) and is mostly associated with a single related software program from Adobe Systems Incorporated (Adobe Authorware). Generally, these files are considered Data Files.

The A4M File Extension can be viewed on the Windows and Mac operating systems. They are supported on both desktop and mobile devices. The Popularity Rating for A4M files is "Low", which means these files are not ordinarily found on an everyday user's device.

If you would like to learn more about A4M files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic A4M file troubleshooting if you are having trouble opening these files.

Low
Universality
6652
Ranking

/ 11690

Active

State

26

November

2018

Edited

Open A4M with FileViewPro

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Kinds of A4M Files


Primary A4M File Association

.A4M
Formatting:.a4m
Group:Adobe Authorware Unpackaged File

The A4M file suffix is connected to the Adobe Authorware software, an authoring app developed by Macromedia (Adobe acquired Macromedia in 2005). The A4M file contains Authorware unpackaged data for Mac.

Organization: Adobe Systems Incorporated
Kind:Data Files
Folder: HKEY_CLASSES_ROOT\.a4m

Software Programs That Open The Adobe Authorware Unpackaged File:


Adobe Authorware by Adobe Systems Incorporated

Windows
Mac

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A4M File Popularity


Top Devices

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Sources of A4M Problems


Common Problems Opening A4M Files

Adobe Authorware is Not Installed

If you attempt to load your A4M file, you experience a message such as "Can't Open A4M Files". Generally, this is experienced in %%os%% because Adobe Authorware isn't installed on your PC. This will prevent you from double-clicking to open the A4M file because the OS doesn’t know how to handle it.


Tip: When you have another program installed that you know will open your A4M, you can select it from the other programs listed (see "Show Apps").


Obsolete Version of Adobe Authorware

In other instances, your Adobe Authorware Unpackaged File file version may not be supported by your version of Adobe Authorware. You will need to download a newer version of Adobe Authorware if you don't have the right version. This issue mainly occurs when your Adobe Authorware Unpackaged File file was created by a newer version of Adobe Authorware than you have on your PC.


Tip: If you right-click on your A4M file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Primarily, problems experienced when opening A4M files are due to having the incorrect version of Adobe Authorware installed on your computer.


Other A4M File Issues

Even with the correct version of Adobe Authorware installed, you can still experience difficulties opening A4Ms. Other A4M opening errors can be created by other system problems inside of %%os%%. These issues include:

  • File references in the Windows Registry for A4M are wrong
  • Deletion of the A4M file description from the Registry by mistake
  • Defective install of a A4M program, such as Adobe Authorware
  • File corruption affecting your A4M file
  • A4M file integrity has been compromised by malware
  • Hardware related to A4Ms has device driver corruption
  • Too many applications are open on your PC to load your Adobe Authorware Unpackaged File file successfully

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