Graduating seniors and alumni should export all Google Drive data prior to the transition to alumni account status.
Which data can be exported?
The complete list of data is located in Google Help at Export your data from Google Docs, Sheets, Slides, Drawings, Sites, Drive, Forms & Jamboard
How do I export my data?
Instructions for exporting your data is located in Google Help at How to download your Google data
Where do I go to export my data?
Export your data at Google Takeout.
Appropriate Use Policy
Use of Bucknell accounts and systems, including Google Takeout, is subject to the Appropriate Use Policy. Removing Bucknell owned data using Google Takeout is a violation of the AUP.