Allow only file types that Turnitin can check for similarity i.e.Your course coordinator may setup your Turnitin assignment submission in one of two ways: Reduce the file size of a picture in Office (PC).
To reduce your file size, refer the following guides: If your file is larger than 100 MB, it will not be uploaded and the following error message will be displayed: Tip: For further information about how long files can take to upload, refer to the Understanding Upload Speeds guide. If an assignment is set to allow any file type , Turnitin will accept any file: