Turnitin submission limitations and file types

This information guide provides a list of file types which Turnitin will accept


  • File must be less than 100 MB 

  • The maximum paper length is 400 pages

  • The minimum paper length size is 20 words

  • Single file upload

Allowed file types for similarity checking

  • Microsoft Word (.doc/.docx)
  • Microsoft Excel (.xls and .xlsx)
  • Microsoft PowerPoint (.pptx, .ppt, .ppsx, and .pps)
  • Adobe PDF
  • Plain text (.txt)
  • Rich text format (.rtf)
  • OpenOffice Text (.odt)
  • WordPerfect (.wpd)
  • PostScript (.ps)
  • HTML
  • Hangul Word Processor file (.hwp)
  • Google Docs via Google Drive

Turnitin will not accept PDF files which do not contain highlightable text (e.g. a scanned file)

Further information can be found at the Turnitin Support website