A .ppt file is a file to be used in the Microsoft PowerPoint software.
A file with the extension .vwx is a VectorWorks Design File.
.doc
LBL file extension are for Nicelabel template files. Macromedia Dreamweaver and Sage ACT can be used to open lbl file extensions.
The DVM file extension is associated with the DVM Movie File Format. It is used to store small animations and movies, developed by Magic Software.
I believe the default is .pptx (The old default used to be .ppt)
Adobe Acrobat is used to create and edit PDF's.The file extention need to be .PDF .The files like .docx or doc can be imported in the software and then can be converted to a PDF.So possibly you can open the doc files too in the software.
The file extension. It comes after the file nice, after the last dot in the name. For example someTextDocumet.txt has the extension TXT for plain text. The program that created it is most likely the default one for opening it.
This is going to depend on the type of file that you are trying to open. The file extension is created depending on the software (and version) that was used. For example, if you use an older version of Microsoft Word to save a document, it has a .doc extension. If you use a newer version such as 2007, it will save the files with a .docx extension. You would need to have the correct software to open the file, but in many cases, Microsoft may make a viewer that you can download (depending on the file of course)
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.
Yes. If the file ends with .zip, it is a ZIP Archive file. There is a way to change the extension, however, using an extension changer found on the internet. The filename extension (characters to the right of the dot in the file name) identifies the type of file (unless this extension is renamed by a computer user) in most cases. The type of file will identify what can use or open the file, but not necessarily what created the file.