Learn about computer files that you come across in your daily work.

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Word Processing

File Formats
Word Processing files including TXT, RTF, DOC, DOCX, DOT & DOTX are used to store plain or formatted text.


File Formats
Spreadsheet files such as XLS, XLSX, XLSB, XLTX can store data in tabular form for analysis & reporting.

Page Description Language

File Formats
PDL is used to describe the structure & appearance of a document page. Common formats include PDF & XPS.


File Formats
Presentation files such as PPT, PPTX, PPS & PPSX are collections of slides where each slide can have multimedia.


File Formats
Email clients save individual messages in EML, EMLX or MSG formats, or create email archives in PST, OST & MBOX formats.


File Formats
Digital images are binary representation of two-dimensional images. Popular formats include JPEG, BMP, SVG, GIF & PNG.