File Extension INN

.INN File

File extension: INN
File type: Overlay


Notes about the INN 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 INN file type is primarily associated with 'COBOL/2' by Micro Focus.

Detailed information for file extension INN:


Primary association: COBOL/2
Company: Micro Focus

Other applications associated with file type INN:

  • PHANTASMAGORIA INI File
  • Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))



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.

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