Identify various file formats and their extensions.

Identification may include the following:

• Microsoft Word document (.doc, .docx)
• portable document format (.pdf)
• tagged image file format (.tiff)
• encapsulated postscript (.eps)
• rich text file (.rtf)
• unprocessed image file (.raw)
• Joint Photographic Experts Group (.jpg)
• bitmap (.bmp)
• text (.txt)
• Adobe InDesign (.indd)
• Adobe Photoshop document (.psd)
• Adobe Illustrator document (.ai)
• Microsoft Publisher document (.pub)
• hypertext markup language (.html)
• graphic image format (.gif)
• Microsoft Excel spreadsheet (.xls, .xlsx)
• zip (.zip)
• Apple disk image (.dmg)
• portable network graphic (.png)
• electronic publication (.ePub)
• compiled HTML (.chm)
• high-efficiency image container (.heic)
• scalable vector graphic (.svg).

Process/Skill Questions:

• Why is it important to be able to identify a file extension?
• Why would it be important to identify the file format of a file that does not have a file extension listed?
• How can the file format be identified when one is not listed?
• What are some reasons a file would not work?
• What steps should one take if a file does not work?