: Lecture notes, assignments, and reading materials for 3–4 semesters.
: Exported email threads (.pst or .msg files) or Slack chat logs.
This is the most common use for such specific date ranges, often covering nearly two full fiscal years.
: Experimental logs or datasets collected during a graduate study. 5. Gaming or Community Data
: Scanned or photographed receipts for business or personal tax deductions.



