How To: Changing the Maximum Upload Size for Files in Your Course.
1. Log into your course.
2. Scroll down until you see the “Administration” block. Inside the block click on “settings.”
NOTE: Based upon your role in the system you may see less links in the “Administration” block.
2. In the general section you will find the “Maximum upload size” option. Click on the drop down box and select anywhere from 0 MB all the way to 100MB which is the maximum for Moodle.
Once you have selected the maximum upload size you want save your changes.