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.DLL file extension	File nameDynamic Link Library	Popularity
File extension.M4A file extension	File nameMPEG-4 Audio File	Popularity
File extension.MDF file extension	File nameMedia Disc Image File	Popularity
File extension.PAGES file extension	File namePages Document	Popularity
File extension.PRF file extension	File nameOutlook Profile File	Popularity
File extension.SRT file extension	File nameSubRip Subtitle File	Popularity
File extension.TOAST file extension	File nameToast Disc Image	Popularity
File extension.VB file extension	File nameVBScript File	Popularity
File extension.XLSX file extension	File nameMicrosoft Excel Open XML Spreadsheet	Popularity
File extension.XML file extension	File nameXML File	Popularity