The file extension for PHP is .php
An .fsg file is the extension used by IBM Voice Type. An old file extension, not supported yet.
The .opt file extension is used by innumerable programs. it is usually an option / configuration file, but is also used for certain document types.
What is the file extension What is the file extension
A .ppt file is a file to be used in the Microsoft PowerPoint software.
A batch file, often used by computer processes to perform a series of stored operations as a group, have the file extension .bat.
.dbs
.ppt is the file extension for power point files
file extension for video is 101
It is used by Labview from National Instruments.
.docx The extension docx is used in Word 2007.
.pfx