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What is the 78 File Extension?

Reporter:   |   Last Updated: November 26, 2018

Microsoft Silver

78 File Summary

Only one known software program, Pro/ENGINEER developed by PTC, is related to the 78 file extension. In addition, they are categorized under a single primary file type, described as the Creo Elements/Pro Versioned Data format. 78 files are categorized ordinarily as Data Files.

Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. With a Popularity Rating of "Low", these files are not very common to your average computer user.

Interested to learn more about the 78 File Extension? We encourage you to view the detailed file information below to learn about the software that opens 78 files, and other troubleshooting tips.

Low
Prevalence
10306
Position

/ 11690

Active

Status

26

November

2018

Page Last Updated

FileViewPro Opens 78 Files

Product by Solvusoft

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78 Types


Principal 78 Type

.78
File Format:.78
Group:Creo Elements/Pro Versioned Data

The file contains versioned data from Creo Pro, a Microsoft Windows CAD/CAM solution.

Company: PTC
Division:Data Files
Folder: HKEY_CLASSES_ROOT\.78

Software Programs That Open The Creo Elements/Pro Versioned Data:


Pro/ENGINEER by PTC

Windows

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Find File Types


78 Demand


OS Popularity

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Sources of 78 Problems


Troubles Opening 78 Files

Pro/ENGINEER Removed

When you double-click your 78 file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". Usually, this is because you do not have Pro/ENGINEER for %%os%% installed. You won't be able to double-click to open your 78 because your OS doesn't know what to do with it.


Tip: If you have another software that you know opens 78 files, you can select it by hitting the "Show Apps" button.


Pro/ENGINEER Requires Update

Your Creo Elements/Pro Versioned Data file is incompatible with Pro/ENGINEER because you might have the wrong version installed. Visit the PTC website to download (or purchase) the latest version of Pro/ENGINEER. Your Creo Elements/Pro Versioned Data file was probably created by a newer release of Pro/ENGINEER than what's currently installed your computer.


Tip: Sometimes you can get a clue about the version of 78 file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: Not having the right Pro/ENGINEER version on your computer can cause problems opening 78 files.


Other 78 File Opening Causes

Errors opening Creo Elements/Pro Versioned Data files can still occur even with the latest Pro/ENGINEER software installed on your computer. Other 78 opening errors can be created by other system problems inside of %%os%%. Problems unrelated to software:

  • Invalid 78 file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Deletion of the 78 file description from the Registry by mistake
  • Corrupt install of Pro/ENGINEER or other 78-related program
  • Your 78 can't be loaded properly (file corruption)
  • Your 78 is infected with malware
  • 78-related hardware has device drivers that obsolete
  • Windows cannot load your Creo Elements/Pro Versioned Data file due to insufficient resources (eg. RAM)

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How to Fix Problems Opening 78 Files

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