To keep the user file system from growing too large, users will receive a warning message if they add new files or update existing files larger than 50 MB. Additionally, end users will be blocked by default from pushing files or updating existing files larger than 100 MB.
Sign in to your GitHub Enterprise instance at
In the upper-right corner of any page, click .
In the left sidebar, click Admin center.
In the Repository upload limit drop-down menu, select the desired Maximum Object Size.