A library's history retention period length controls how long can you access your history data
1. Login to your Cloud Drive (https://disk2.readyspace.com/).
2. Navigate into My Libraries. All libraries owned by you will be listed.
3. Hover over the row of the specific library.
4. Click the down arrow icon and click History Setting in the operation menu.
5. In the pop-up dialog, set the length of file retention period.