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However, if you change a ".txt" file to a ".psd" file, Photoshop will not recognize or open the file. For example, if you change a file with a ".txt" extension to a ".doc" extension, Microsoft Word may still open it. While this might work for some files, it may also cause the file to not open at all.
#HOW TO CHANGE FILE EXTENSION MAC OS X#
It also helps you see what kind of file a certain document is by just looking at the filename.īoth Windows and Mac OS X allow you to manually change file extensions, which may also change the program the computer uses to open the file. The file extension determines which program is used to open the file as well as what icon should be displayed for the file. DESKTHEMEPACK extension identifies Windows 8 desktop themes. TAX2015 file extension is used to identify TurboTax 2015 tax returns and the. Sometimes long file extensions are used to more clearly identify the file type. While most file extensions are three characters in length, they can be as short as one character or longer than twenty characters. PSD, which is the standard file extension for Photoshop documents. DOCX, which is used for Microsoft Word documents, and. It indicates the file is a text document. For example, in the filename "myreport.txt," the. A file extension (or simply "extension") is the suffix at the end of a filename that indicates what type of file it is.