What is the 12U File Extension?

Writer:   |   Last Updated: May 01, 2019

Microsoft Silver

12U File Summary

Most 12U files can be viewed with Adobe PageMaker from Adobe Systems Incorporated (the only known affiliated software application) and associated with the Adobe PageMaker Font File format as it's primary file type. 12U files are traditionally categorized as Font Files.

The 12U File Extension can be viewed on the Windows and Mac operating systems. They are supported on both desktop and mobile devices. With a Popularity Rating of "Low", these files are not very common to your average computer user.

Interested to learn more about the 12U File Extension? We encourage you to view the detailed file information below to learn about the software that opens 12U files, and other troubleshooting tips.

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12U Types


Dominant 12U File Type

.12U
File ID:.12u
Classification:Adobe PageMaker Font File

The 12U file extension is primarily related toAdobe PageMaker, a program for Apple Mac and Microsoft Windows customarily used in the creation of publications such as newsletters and brochures. The12U filestores printer font with PI font set.

Company: Adobe Systems Incorporated
Division:Font Files
Location: HKEY_CLASSES_ROOT\.12u

Software Programs That Open The Adobe PageMaker Font File:


Adobe PageMaker by Adobe Systems Incorporated

Windows
Mac

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12U Demand


Operating System Rankings

7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)


12U Troubleshooting


Common 12U Opening Problems

Adobe PageMaker Removed

If you attempt to load your 12U file, you experience a message such as "Can't Open 12U Files". If so, it typically means that you don't have Adobe PageMaker installed for %%os%%. You won't be able to double-click to open your 12U because your OS doesn't know what to do with it.


Tip: Another 12U-related program can be selected to open the file by clicking "Show Apps" and finding the application.


Adobe PageMaker Requires Update

In some cases, you might have a newer (or older) version of a Adobe PageMaker Font File file that is unsupported by your installed application version. Download the latest Adobe PageMaker version from the Adobe Systems Incorporated website to ensure you have the correct one installed. Your Adobe PageMaker Font File file was probably created by a newer release of Adobe PageMaker than what's currently installed your computer.


Tip: Investigate your 12U file by right-clicking and selecting "Properties" to find clues on what version you need.


Summary: In either case, the majority of problems opening 12U files are related to not having the correct software application installed on your computer.


Additional 12U Opening Issues

In the majority of cases, installing the right version of Adobe PageMaker will resolve your issue. There can be external issues inside of %%os%% that are causing these errors when opening 12Us. Problems unrelated to software:

  • Invalid 12U file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Mistaken removal of the Windows registry 12U description
  • Corrupt install of Adobe PageMaker or other 12U-related program
  • Something has caused file corruption of your 12U
  • Past or present virus infection has affected your 12U
  • Hardware associated with 12U has outdated drivers
  • Windows cannot load your Adobe PageMaker Font File file due to insufficient resources (eg. RAM)

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