Back in the day when Obongo did his own version :
https://www.worldtribune.com/obama-puts-his-presidential-records-off-limits-for-12-years/
Here is the EO :
https://obamawhitehouse.archives.gov/the-press-office/presidential-records
So the most " transparent administration in history " spent $36+ Million not providing requested documents over 77% of the time .
https://www.cbsnews.com/news/obama-administration-spent-36m-on-records-lawsuits-last-year/
Matt Taibi held his feet to the fire here :
https://www.rollingstone.com/politics/politics-news/why-is-the-obama-administration-trying-to-keep-11000-documents-sealed-67555/
edit : add links and this root link, many gems in this searchy poo
https://duckduckgo.com/?q=obama+sealed+presidential+files&t=brave&ia=web
(post is archived)