On May 14, 2021, USCIS will dispose of SAVE records that are more than 10 years old, which are those dated on or before Dec. 31, 2010. SAVE users have until May 10, 2021, to download case information from the Historic Records Report if they want to retain information about these SAVE cases.
LINK HERE – https://www.uscis.gov/sites/default/files/document/guides/Instructions_to_Download_NARA_Reports_in_SAVE.pdf