Sorts of PT4 Files

Primary PT4 File Association

.PT4

File ID:	.pt4
Category:	Adobe PageMaker 4 Template

The file extension is used for Adobe PageMaker 4 document templates.

Organization:	Adobe Systems Incorporated
Group:	Text Files
Subkey:	HKEY_CLASSES_ROOT\.pt4

Software Programs That Open The Adobe PageMaker 4 Template:

Adobe PageMaker by Adobe Systems Incorporated

Windows

Mac

More PT4 Files

.PT4

File ID:	.pt4
Category:	Pro Tools 4 (16 Bit) Session File

The file extension is associated with Pro Tools program for saved sessions files.

Organization:	Avid Technology
Group:	Data Files

Software Programs That Open Pro Tools 4 (16 Bit) Session File Files:

Avid Pro Tools by Avid Technology

Compatible with:

Windows

Mac

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PT4 Troubleshooting

Typical PT4 Opening Challenges

Missing Adobe PageMaker

When trying to open your PT4 file, you get the error "Can't Open PT4 File Type". Usually, this is because you do not have Adobe PageMaker for %%os%% installed. The typical path of opening your PT4 with a double-click won't work because %%os%% cannot make the program connection.

Tip: When another PT4 application is installed, you can choose to open it by selecting "Show Apps" and using that program.

Adobe PageMaker is Out-of-Date

Your Adobe PageMaker 4 Template file is incompatible with Adobe PageMaker because you might have the wrong version installed. Download the latest Adobe PageMaker version from the Adobe Systems Incorporated website to ensure you have the correct one installed. This problem is predominately due to having a Adobe PageMaker 4 Template file version that was created by a newer version of Adobe PageMaker than what you have installed on your PC.

Tip: Right-clicking on your PT4, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Summary: Not having the right Adobe PageMaker version on your computer can cause problems opening PT4 files.

Additional PT4 Opening Issues

Assuming you have the right Adobe PageMaker version installed, other problems can prevent you from opening PT4 files. If you are continuing to have errors with loading PT4 files, other external issues might be to blame. Additional factors include:

• PT4 file references in the Windows Registry are broken
• Accidental deletion of the description of the PT4 file in the Windows registry
• Invalid installation of a PT4-associated program (eg. Adobe PageMaker)
• PT4 file corruption
• Your PT4 has adversely impacted by malware
• Hardware associated with PT4 has outdated drivers
• Windows has inadequate resources to open your Adobe PageMaker 4 Template file