File Extension OH4

.OH4 File

File extension: OH4
File type: List


Notes about the OH4 file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The OH4 file type is primarily associated with 'Overhoor ( DrillAssistant)' by Efkasoft. A training program to test your ready knowledge.

Detailed information for file extension OH4:


Primary association: Overhoor ( DrillAssistant)
Company: Efkasoft
File classification: Text



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension OH4 click this link to expand/hide the additional area.

System Info for File Extension .OH4

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: Teach2000.Document
EXEFile: %ProgramFiles%\Teach2000\Teach2000.exe


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