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

Popular extensions in our site database

File extension	File name	Popularity
File extension.BAK file extension	File nameBackup File	Popularity
File extension.BAT file extension	File nameDOS Batch File	Popularity
File extension.CRX file extension	File nameChrome Extension	Popularity
File extension.CS file extension	File nameVisual C# Source Code File	Popularity
File extension.DOC file extension	File nameMicrosoft Word Document	Popularity
File extension.M4V file extension	File nameiTunes Video File	Popularity
File extension.OBJ file extension	File nameWavefront 3D Object File	Popularity
File extension.PDB file extension	File nameProgram Database	Popularity
File extension.SDF file extension	File nameStandard Data File	Popularity
File extension.TAR.GZ file extension	File nameCompressed Tarball File	Popularity