A file name extension is a suffix to a computer file's name.
The advantage of using these document extensions is to indicate the encoding convention of the contents of the file format.
A computer user gets to know the name of the application which is required to open a particular file.
It prevents you from downloading harmful files.
While saving the files you can choose appropriate application names.
The name of the document extension of Word document file is.
doc.
Excel is saved in extension called.
xls.
Portable Document Format can be saved and opened in.
pdf.
The Text files are saved in.
txt.
These are a few commonly used files for the any kind of purpose.
PDF File Extension: A Portable Document Format file type is associated with 'Acrobat' by Adobe Systems.
Using this extension you can prevent the occurrence of errors while having access to PDF documents.
This extension enables you to view, create, modify and manage files easily in Portable Document Format.
A computer user can use this file not only for viewing but also for printing the PDF files.
It is a standard data format which is commonly used by the people all over the world.
This file format presents a fixed layout for effective and attractive presentation of the data.
Word File Extension: The file extension of Word document is.
doc.
This document extension is developed by Microsoft Corporation.
There are chances of this file format getting infected or corrupted.
It is for this reason the Word document should be carefully scanned when this extension is applied.
If you do not use this extension, the errors might occur when you access this file format.
The Word file format enables you to edit, create and share your documents with other users.
Excel File Extension: The.
xls file extension is associated with Excel document format.
The Excel sheet enables the user to create, store and transfer numerical data in.
xls extension.
This extension can be used on systems with different types of configurations.
Text File Extension: .
txt is the extension name which is closely associates with the Text document.
You can open and save the text file format using this extension in Notepad, Word Pad and other such programs.
Also to convert the different file formats into PDF or word, you can use word to PDF converter software.
This software will convert PDF files to word or vice versa and also change the document extensions accordingly.