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.DEM file extension	File nameVideo Game Demo File	Popularity
File extension.JSP file extension	File nameJava Server Page	Popularity
File extension.LOG file extension	File nameLog File	Popularity
File extension.LUA file extension	File nameLua Source File	Popularity
File extension.MP4 file extension	File nameMPEG-4 Video File	Popularity
File extension.PART file extension	File namePartially Downloaded File	Popularity
File extension.SDF file extension	File nameStandard Data File	Popularity
File extension.VCF file extension	File namevCard File	Popularity
File extension.WMV file extension	File nameWindows Media Video File	Popularity
File extension.WPS file extension	File nameMicrosoft Works Word Processor Document	Popularity