I have a folder, either </users/an/downloads/user data> or </users/an/downloads/user datas>, that I've accidentally cmd-opt-deleted.

The folder is used to store individual user data directories (used by Mac Chrome's --user-data-dir flag) and there are many of such user directories. Collectively, there's a huge trove of important information within the deleted folder.

I'm willing to go to any length to recover the data. (I will exchange thousands of bucks to get back the data if needed, no-questions-asked.)

Is there a recovery tool that is able to recover this data? I've tried:

None of which is able to recover the data. Is there a recovery tool specific to recovering Mac Chrome's user data dir?

(default MacbookPro 15-inch 2017, macOS Sierra v10.12.5, 3.1 GHz Intel Core i7, 16 GB 2133 MHz LPDDR3)
(APPLE SSD SM1024L Media—1 TB PCI-Express Internal Physical Disk, Macintosh HD—999.25 GB Logical Volume Mac OS Extended Journaled Encrypted)
(TimeMachine's not on; FileVault's On)

  • 2
    ... do you know at the moment what I must not do to reduce the probability that the data is over written? - Yes. Stop using that drive immediately. If you did continue to use the drive in read/write mode (normal use) for any amount of time, the chance of data loss increased the longer you used it. I hope you realize this.
    – IconDaemon
    Feb 25, 2018 at 23:57
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    @MelvinJefferson, Regrettably it's not on.
    – Pacerier
    Mar 1, 2018 at 23:36
  • 1
    @MelvinJefferson, Records. (You might think of every tab as a notepad. Indeed some of them are literally online anonymous notepads at alphanumeric-generated URLs. Probably a total of 3000 tabs across the multiple user data folders, with each averaging 20 pages of "foward / back" data. So that's ~60k urls with a History total of probably ~120k urls. The main archive is stored in a separate location but this archive itself is important and contains 6 months of data.) ..
    – Pacerier
    Mar 3, 2018 at 20:16
  • 1
    ..Do you know if they are retrievable in any way? ¶ Each session is logon to Gmail, but not logon to that "start page" which asks you to login. That online webpage Google-Search-History seems to only show what you search on google and what you click on those search pages... hardly useful. ¶ I frankly only need the History, bookmarks, Current Session(?) / Current Tabs of each user-data-dir, but hunting through multiple "data recovery" software still turns up nothing.
    – Pacerier
    Mar 3, 2018 at 20:28
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    @MelvinJefferson, Are you serious? How can they be retrieved? ¶ Just then, I opened a brand new Chrome, and tried logging Chrome into one of the Google Account: 1) i.stack.imgur.com/R2MCO.png 2) i.stack.imgur.com/BSZqT.png 3) i.stack.imgur.com/amWFg.png 4) i.stack.imgur.com/FI7QC.png , but nothing happens. I don't think it works because for those lost user data dirs, those Chromes weren't on-synced. If I try to enable sync only now, it can't get back the past data.. just as with Time Machine I guess.
    – Pacerier
    Mar 3, 2018 at 20:51


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