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Welcome to OpenTheFile.org

OpenTheFile.org offers reliable assistance and professional support in solving problems related to the opening of the unknown files.

Anyone using the information presented on the site can quickly open any unknown file without professional help of the IT specialist.

How to recognize the file format?

Each file name is complemented with a special file extension, the task of which is to inform the user and the operating system about the format in which the data contained in it are saved. To open the file, use a program that supports the format specified by the extension.

The file does not open. I do not know what format it is, what should I do?

File extensions are hidden by the Operating System. To see the extensions of all the files, including the file, which we cannot open, follow the steps listed below:

  • Enter Windows Explorer or click My Computer
  • Go to the Control Panel and then to Folder Options
  • Select the View
  • Find the setting specified as Hide extensions for known file types , then Clear this field.
  • Click OK
But remember that you cannot use this method for files with extensions .exe, .com and .bat

Popular extensions in our site database

File extension File name Popularity
.CRX file extension Chrome Extension Rate 5
.CUR file extension Windows Cursor Rate 5
.DTD file extension Document Type Definition File Rate 5
.GZ file extension Gnu Zipped Archive Rate 5
.HQX file extension BinHex 4.0 Encoded File Rate 5
.IBOOKS file extension Multi-Touch iBook Rate 5
.PKG file extension Mac OS X Installer Package Rate 5
.SAV file extension Saved Game Rate 5
.SVG file extension Scalable Vector Graphics File Rate 5
.3G2 file extension 3GPP2 Multimedia File Rate 5