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The three letter extension at the end of every file name is for windows to identify the file format. Some Common file extensions are: .BAT -DOS batch file, .BMP - a bitmap picture image, .DOC -Microsoft Word word processor file format, .EXE -Executable file, .GIF - Graphic Image Format file,

.HTM or .HTML, .JPG - Joint Producers and Engineers of Graphics file format, .PDF -Portable Document Format.

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Q: What does the 3 letter extension at the end of a file name tell a computer?
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What does file extensions do?

The file extension is the two, three, or more letter code that is after the period in a computer file name. It is used to "tell" the computer what type of file it is and what program on your computer will "open" or "run" it.


Why you save computer files with extension name?

Extension names allow your computer to recognize which program is needed to open the file.


What extension is associated with program file?

Program file extensions simply identify the type of program. For example, an executable program will have a file extension of .exe, and some music files will have the file extension of .mp3


What is the extension of the word document and Excel document?

For most typical Word documents the extension is .docFor Excel workbooks (spreadsheets) the extension is .xlsIn general the file extension is the 3 letter/number "code" after the period in the complete file name that gives a hint as to what type of file it is. For example, in the file name resume.docthe word resume is the file's actual name and the .doc tells you that it is a document file.


What is difference between File name and file extension?

A file name is what a file is called. A file extension defines what type of file it is. (Text file, HTML file, executable, etc.)


Application software and their file extension name?

The file extention of any application on a computer is: '.exe' .exe = simply means executable.


Is the last 3 characters that follow the file name that identify the type of program used to create the file?

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.


What is the part of file name that helps the computer know what program to use to open a file?

It doesn't use any part of the file. It gets the extension (the part after the dot) of the file name, and looks that up in the registry to see what program should be used to open, for example, a .doc file.


What file extension is given to visual studio 2005 files?

The main project file has a VBPROJ extension. This is also a file with the same name as the main project file, but with an SLN extension. The SLN extension is a solution file.


A file name extension is an optional file identifier that is separated from the main file name by a?

. (Dot)


How is a Access database file stored?

An Access database file is typically stored similarly to other computer generated files found on the hard drive of a computer. Access database files will have a .mdb or .accmdb file name extension.


Is a file name separated from an extension by a comma?

This sounds like a computer-related question rather than a grammar and punctuation question. In that case, it is usually a period (dot) that goes between the file name and extension. Examples are shoplist.txt, resume.docx, budget.xlsx, and analysis.sas7bdat.