UNKNOWN File Extension

UNKNOWN file icon
Unknown Format Type
  • Developer
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  • Popularity
    3.6 (8 votes)

What is UNKNOWN file?

Files with UNKNOWN extension are system files that do not have an valid file extension. This type of extension is usually added to files unrelated to any available software. Such file is not a stand-alone file, only a placeholder for proper file. A situation where a UNKNOWN extension was deliberately added to valid file as a privacy protection measure is also a possibility.

Opening UNKNOWN file

UNKNOWN file can be opened given it was saved in plain text format. This way users can deduce from the contents the correct file extension and manually change it. However, if the UNKNOWN file is saved in a binary format, text editor may not display file contents properly. UNKNOWN files will remain is such form until a software that recognizes this format is installed on the system.

Programs that support UNKNOWN file

We hope we helped you solve the problem with the UNKNOWN file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.

What else may cause problems?

There can be more reasons which determine that you are not able to open the UNKNOWN file (apart from the lack of the proper application installed).

First - the UNKNOWN file may be incorrectly associated with the application installed to support it. In this case, you need to change this association by yourself. To do this, right-click on the UNKNOWN file that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the UNKNOWN file should be solved.

Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version of given file, or download it again from the same source as before (maybe for some reason in the previous session the download of the UNKNOWN file has not been completed and it cannot be opened properly).

Do you want to help?

If you have additional information about the UNKNOWN file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on UNKNOWN file.

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