I cannot open a ACTM file. What should I do? Help!
Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with ACTM files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening ACTM will be resolved!
ACTM File Extension
- File type AutoCAD Action Macro Format
- File developer Autodesk
- File category Executable Files
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File popularity rating
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How to open ACTM file?
If given user account does not have necessary permissions to open files with ACTM extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.
Step 1. Download and install application that supports ACTM files
After the application has been installed, the system should automatically open ACTM files with given application. Below is the list of relevant programs along with operating systems they are available for:
Programs that support ACTM files
Step 2. Verify whether ACTM files are associated with appropriate software
It is possible that an application that supports ACTM files is not associated with such files. In such case, the program should by manually associated with ACTM files (right-click on the file icon → Properties → General Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support ACTM files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open ACTM files with the selected program.
Changing ACTM file association in registry
File association for ACTM files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.
Step 3. Check ACTM file for other errors
- ACTM file was not copied properly from storage medium.
- Antivirus application prevents opening ACTM files. In that case it is recommended to exercise extreme caution and recover or delete infected ACTM file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
- For ACTM files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.
