This document describes common file formats and their extensions, including .csv for comma separated values files, .txt for plain text files, .rtf for rich text format, .gif and .jpg for image files, .png for lossless image compression, .pdf for portable document format, .mp4 for multimedia containers, .mp3 for compressed audio, .css for cascading style sheets, .html for hypertext markup language, .rar for compressed archives, and .zip for compressed files. Resizing and resampling as well as keyboard shortcuts and exporting are also briefly covered.

1. comma separated values
.csv
takes data in the form of tables that could be
used with spreadsheets or databases, separating
data items with commas.

3. Text
.txt
this file is not formatted and can be opened in
any type of word processor

5. rich text format
.rtf
• a file type that saves some of the formatting
within the text

7. graphics interchange format
.gif
• format stores still or moving images and is
efficient at storing using a smaller file size,
especially with large blocks of colour

9. joint photographic expert group
.jpg
• stores still images only, efficient method of
storing images using a smaller file size and
widely used in web pages

11. portable network graphics
.png
• a format that compresses graphics without
any loss of image quality. Is the most used
lossless compression format for internet
images

13. portable document format
.pdf
• a document that has been converted into an
image format, allowing it to be seen on most
computers. Can contain clickable links,
buttons, form fields etc. Can be used to
protect file from others' editing it

15. moving picture experts group layer 4
.mp4
• Is a multimedia container, not a single file
format, used for storing video, still images,
audio files, subtitles and so on

17. moving picture experts group layer 3
.mp3
• Is a compressed file format used for storing
audio files. File sizes are relatively small but
have near CD quality. Cannot store still or
moving images.

19. cascading style sheet
.css
• stylesheet attached to one or more web pages
(often written in HTML) to define the pages'
colour scheme, fonts and so on

21. hyper text markup language
.html
• text-based language used to create markup
that a web browser will be able to display
information as a web page

22. Roshal archive
.rar
• container that can hold almost any file type in
a compressed format, used to reduce the
number of bytes needed to save, store or
transmit a file. developed for windows by a
Russian engineer

24. Zip
.zip
•
container that can hold almost any file type in
a compressed format, used to reduce the
number of bytes needed to save, store or
transmit a file.

26. Resizing & Resampling

27. • Shortcuts of windows key

28. • Exporting