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.CGI file extension	File nameCommon Gateway Interface Script	Popularity
File extension.DTD file extension	File nameDocument Type Definition File	Popularity
File extension.FON file extension	File nameGeneric Font File	Popularity
File extension.GIF file extension	File nameGraphical Interchange Format File	Popularity
File extension.NES file extension	File nameNintendo (NES) ROM File	Popularity
File extension.PART file extension	File namePartially Downloaded File	Popularity
File extension.PHP file extension	File namePHP Source Code File	Popularity
File extension.SITX file extension	File nameStuffIt X Archive	Popularity
File extension.TEX file extension	File nameLaTeX Source Document	Popularity
File extension.XLR file extension	File nameWorks Spreadsheet	Popularity