What are the file type/size requirements for Turnitin assignments?

For a successful Turnitin submission, please ensure you read the file type / size requirements below:

File size

  • Although the limit for Turnitin assignments is 100MB, we recommend keeping your file under 50MB to ensure the submission is successful.
  • The larger the file, the longer it will take to submit (upload), so please leave enough time prior to the deadline.  Please do not leave a large file submission to the last minute as this may mean showing as a late submission as the time is only recorded once successfully submitted and you receive a receipt. 
  • Multiple files are not accepted: Only one document can be submitted.  
  • Submitted documents cannot exceed 100MB, if it does you will receive an error message stating that your file size 'exceeds the configured maximum'
  • Submitting in MS Word and want to reduce file size? see our FAQ: How do I compress images in my MS Word document?
  • Submission must contain at least 20 words and must be less than 800 pages in length.

If there are issues, please get in touch with your tutor or get support from the Library & Student IT Advice team.

Accepted file types / file formats

Turnitin accepts the following file types for upload into an assignment but we recommend using PDF if any issues occur.

Note Multiple documents are not accepted in Turnitin - Only one document can be submitted.  

  • Adobe (.PDF)
  • Microsoft Word (.doc and .docx)
  • Microsoft PowerPoint (.ppt, .pptx, .ppsx, .pps) please read this FAQ: What should I bear in mind when submitting a Powerpoint file to Turnitin? if you are submitting a PowerPoint file
  • Microsoft Excel (.xls and .xlsx)
  • HTML Adobe PostScript (.ps)
  • Plain text (.txt) (do not exceed 2MB)
  • Rich Text Format (.rtf)
  • Open Office Text (.odt)
  • WordPerfect (.wpd)
  • Hangul Word Processor File (.hwp)
  • Google Docs

Unsupported file types:

Turnitin will not accept the following files to generate Similarity Reports.

  • Apple Pages is not an acceptable file type for Turnitin submissions. Please save your Pages document as a PDF or Word document.
  • InDesign (INDD) is not supported by Turnitin, export it to a PDF to allow submission (this will also reduce the file size)
  • Password protected files
  • Microsoft Works (.wps) files
  • Microsoft Word 2007 macros-enabled .docm files
  • OpenOffice Text (.odt) files created and downloaded from Google Docs online
  • Document (.doc) files created using OpenOffice, as they are not 100% Microsoft Word equivalent
  • Spreadsheets created outside of Microsoft Excel (e.g.ods)
  • Text with visual effects

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