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Old November 19th, 2018, 02:56 AM
Buzz Buzz is offline
Cyber Tech Help Moderator
Join Date: Sep 2000
O/S: MacOS
Location: Oregon, USA
Posts: 4,003
Anything residing in the Trash, whether it has been emptied or not, is seen as unimportant. Time Machine doesn't value trash contents and doesn't back up the unnecessary MB of whatever is in the trash.

There are tools, such as StallarPheonix which are designed to read data existing on a hard drive and possibly recover that data even though there's no direct UI access to the data. However, any data which is not part of the direct file system can and will be overwritten as you use a hard drive. Every action you take has the potential of overwriting such data. For optimum recovery, you should stop using the system until a recovery scan can be performed.

My own personal experience is that recovery has generally a 50/50 shot. The larger the file size the less the chances of recovery are, because larger files get overwritten faster than smaller files.

In any event, Time Machine won't help you recover anything which was ever in the Trash.