.MASTER

MASTER File

ASP Master page file
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A .MASTER file is associated with ASP Master page, a web file.

Developer: Microsoft Category: Web Files
OPENS ON Windows

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What is the MASTER file format?

A file with the .MASTER extension is a file known as ASP Master page. It belongs to the Web Files category. This format is associated with Microsoft.

The reliable way to open a .MASTER file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.

This page lists 4 programs that open .MASTER files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.

Format details

in a nutshell
FULL NAMEASP Master page file
DEVELOPERMicrosoft
CATEGORYWeb Files

Programs that open MASTER files

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