Mac and Win­dows CLI tricks Make Apple Mail.app faster sqlite3 ~/Library/Mail/Envelope\ Index vacuum .exit (sources com­ments: [#1] and [#2]) It DOES work. For ins­tance, check how many times Mail.app boun­ced...

Mac and Win­dows CLI tricks

Make Apple Mail.app faster

sqlite3 ~/Library/Mail/Envelope\ Index vacuum .exit

(sources com­ments: [#1] and [#2]) It DOES work. For ins­tance, check how many times Mail.app boun­ced on the Dock before ope­ning before and after you did this ope­ra­tion. Might prove wor­thy of use for Yojimbo, too.

Shrink (a bit) winsxs

dism /online /cleanup-image /spsuperseded

(source) Removes SP1 unins­tall files.