Types of TROFF Files

Primary TROFF File Association

.TROFF

File Format:	.troff
File Type:	Document processing system file

Created by:	AT&T Corporation
File Category:	Text Files
Registry Key:	HKEY_CLASSES_ROOT\.troff

Software Programs That Open The Document processing system file:

Document processing system file by AT&T Corporation

Windows

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Troubleshooting Problems Opening TROFF Files

Common Problems Opening TROFF Files

Document processing system file is Not Installed

When you double-click your TROFF file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have Document processing system file for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: If you know of another program that can open your TROFF file, you can try opening it by selecting the application from the programs listed.

Wrong Version of Document processing system file is Installed

In some cases, you might have a newer (or older) version of a Document processing system file file that is unsupported by your installed application version. If you do not have the proper version Document processing system file (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: Sometimes you can get a clue about the version of TROFF file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).

Summary: In either case, the majority of problems opening TROFF files are related to not having the correct software application installed on your computer.

Other Causes of TROFF File Opening Problems

Although you might already have Document processing system file or another TROFF-associated software installed on your computer, you can still encounter problems opening Document processing system file files. If you are still having problems opening TROFF files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

• Invalid TROFF file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Accidental deletion of the description of the TROFF file in the Windows registry
• Incomplete or bad installation of a software application associated with the TROFF format
• Your TROFF file is corrupted (issues with your Document processing system file file itself)
• Your TROFF is infected with malware
• Device drivers of the hardware associated with your TROFF file are corrupt or out-of-date
• Your computer does not have the adequate system resources to open the Document processing system file format