The 5 Most Popular eBook Formats Teachers should Know About

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1- PDF
PDF stands for Portable Document Format. This is probably the most popular file type and it is supported by numerous ebook readers. PDF is created by Adobe.
Some PDF readers include:

  • Adobe Reader
  •  Foxit Reader
  • Nitro PDF reader
  •  PDF-XChange Viewer

This is a popular open ebook standard created by the international Digital Publishing Forum. EPUB is based on XML and XHTML and some of the ereaders that read this format include :
  • iPhone
  •  iPod Touch
  • iPad
  •  Sony Readers
  •  Kobo Reader
  •  The Nook from Barnes & Noble .
A file with the MOBI file extension is a Mobipocket eBook file.The easiest way to open a MOBI file is to double-click on it and let your PC decide which default application should open the file. If no program opens the MOBI file then you probably don't have an application installed that can view and/or edit MOBI files.MOBI files can be read by Mobipocket Reader Calibre andStanza Desktop.
MOBI files can also be read by popular eBook readers like the Amazon Kindle and many smartphones that support the format. Additionally, many eBook readers, again, like the popular Kindle device, also have desktop software, mobile apps, and browser tools that allow the reading of MOBI files.

4- AZW
This is Amazon propriety format and is used on the Amazon Kindle. Apart from the Kindle reader, AZW format can also be opened on :
  • Smartphones
  • Computers both Mac and PCs
  • Tablets : iPad, Android tablets, and Windows 8 tablets.

5- ODF
The Open Document Format (ODF) is an XML-based open source file format for saving and exchanging text, spreadsheets, charts, and presentations. Files saved under ODF, termed "OpenDocuments," have easily recognizable extensions, similar to Microsoft's proprietary .doc or .xls. The most commonly encountered extensions include:
  • .odt for word processing files
  • .ods for spreadsheets
  • .odp for presentations
  • .odg for graphics
  • .odf for formulas or other mathematical equations