Text File Types

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TXT - Text

  • Plain text files can be stored as .TXT (text) files.
  • A .TXT file will store character strings.
  • These character strings can be readily viewed and edited by user.
  •  No additional formatting information will be associated with text itself.
  • Whichever text editing program is used to open file, its entire contents will be presented textually and not interpreted as formatting information.
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CSV - Comma Separated Values

  • In CSV file format, data values organised into rows that get stored on separate lines.
  • Comma character (or suitable alternative) used to separate data values into their respective coloumns.
  • CSV files are thus plain text files that can be created, viewed and edited in a plain text colour.
  • Can equally be opened and edited using tools within spreadsheet and database packages.
  • They will interpret comma as column delimiter and new lines as separators between rows.
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RTF - Rich Text Format

  • Used for text based documents.
  • Supports basic formatting.
  • Allows the movements of text files between different word processors and operating systems.
  • Documents scanned using OCR facility on scanners usually saved as RTF documents.
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PDF - Portable Document Format

  • Holds text, formatting, and images
  • Could potentially hold some editable regions which can be filled in by user.
  • File type can be viewed using many apps. across wide range of operating systems and hardware platforms.
  • Makes it desirable for uploading documents for reading online.
  • A PDF file can be created using a save or print command from within a program.
  • A PDF file can be created via a specialised converter tool.
  • Graphics, spreadsheets web pages and several other files can be exported to PDF format.
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PDF - Portable Document Format

  • PDF files have many advanced features.
  • Powerful assistive technology embedded for visually impaired.
  • Powerful compression techniques to keep the file size very low.
  • Password protection  (and use of digital signatures) to reduce likelihood of breaches of copyright or to restrict access.
  • Use of metadata for improving speed of text searches and for labelling document with its author, date of creation, document title etc.
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