RecentDocs – Overall key will track the overall order of the
last 150 files or folders opened. MRU list will keep track of the
temporal order in which each file/folder was opened. The last
entry and modification time of this key will be the time and
location the last file of a specific extension was opened.
.??? – This subkey stores the last files with a specific extension
that were opened. MRU list will keep track of the temporal
order in which each file was opened. The last entry and
modification time of this key will be the time when and location
where the last file of a specific extension was opened.
Folder – This subkey stores the last folders that were opened.
MRU list will keep track of the temporal order in which each
folder was opened. The last entry and modification time of this
key will be the time and location of the last folder opened.