Three. Such as, ".exe" or ".jpg"
minimum three and maximum four
The file extension tells about the type of file, with the extension three letters. For Eg:- *.txt -- text file *.exe-- executable file
File extensions tell the computer what kind of program was used to create it, and are usually three letters. Common file extensions are .txt .doc .wps
No of leters 3-4. Meaning - relates to the application that can open the file and process the content.
Typical Office 2007 documents use 4 letter extensions. These include .xlsx for Excel, .pptx for Powerpoint and .docx for Word. Access however, uses .accdb as an extension, so it has 5 letters.
Well, it depends on the length of the file-extension. If you settle for letters and numbers, it will be 36n, where n is the length.PS: your question has nothing to do with C or C++ or programming at all.
The extension. It tells Windows what kind of a file it is. For example, a file with the ".doc" extension is a Microsoft Word Document.
Extension has three syllables.
XLS is the shorthand for Microsoft Excel file extension. A file extension is the group of letters following a period in a file name, denoting what kind of file it is.
An extension.An extension.An extension.An extension.An extension.An extension.An extension.An extension.An extension.An extension.An extension.
A text file, usually with numbers, letters, and/or simple graphics.
We can write php extension is many way... .php , .php5, .php4