You can change/increase upload file size setting of course material to be uploaded, by following the steps below:

Step 1- Click on the (blue star) icon found at the top right corner of the page

Step 2- Click on  (blue star) Edit settings

Step 3- Scroll down until Files and uploads section

Step 4- Click on the Maximum upload size drop-down to specify the maximum file size to be uploaded in this course

Step 5- Click Save and display

The maximum submission file size for Turnitin Assignment can’t increase more than 100MB as it is Turnitin limitation

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