Issue after update to Zotero 5.0

Hi, I have troubles with my zotero library
-the old Zotero add-on was not showing on my firefox so I downloaded and installed zotero 5. I still cannot access the new add-on from my browser.
-half of my library before 2017 has disappear in the process. Is there anyway could I get it back?
thanks!
  • To confirm, have you downloaded the Zotero 5 desktop app from http://zotero.org/download ? If not, do so.

    If you've installed the app, to access your library, you need to open the Zotero app. You still import items from the Firefox Browser Connector. For more details, see https://www.zotero.org/support/kb/data_missing_after_zotero_5_upgrade.

    If you have the Zotero app open and you are missing data, see https://www.zotero.org/support/kb/data_missing_after_zotero_5_upgrade

  • Thanks a lot adamsmith!
    I am still struggling: Zotero 5 is installed, but there are loads of missing data in my library and impossible to find the complete one.
    my data directory location C:\Program Files (x86)\Mozilla Firefox
    timestamp and sizes of zotero.sqlite*: 22-11-2017 18:53 and 19,456Kb
    Previous version of Zotero: I d say 4 but not sure where can I find this info?
    I have also updated firefox, maybe that's also the problem.
    Not sure what to do next.
  • Do you really mean that, if you look in the Advanced → Files and Folders pane of the Zotero preferences, your data directory location is C:\Program Files (x86)\Mozilla Firefox? Because that would be extremely wrong, and something you would've had to have configured yourself. But you should confirm that that's really what you mean, because it would be very strange.

    In any case, https://www.zotero.org/support/kb/data_missing_after_zotero_5_upgrade explains how you could end up with an outdated data directory, and what you're looking for: a "zotero.sqlite file — which should correspond to the last time you had Zotero for Firefox installed — and confirm that there's a 'storage' directory with other directories below it, corresponding to the range of dates that you added items to Zotero." And that would most likely be in your Firefox profile directory, if you were previously using Zotero for Firefox.
  • thanks so much dstillman,
    I am so lost! ok my data directory should be C:\User\Lgateaur\Zotero
    Yes I found this zotero.sqlite file in this one with today's date but I cannot find the zotero subdirectory (and older zotero.squile file) in the Firefox profile directory. I couldn't find any dataDir in prefs.js file in my Firefox profile. Could that be because I updated firefox as well?
    I am so lost, I spent so long on this one-year data. i dont know what to do
  • edited November 23, 2017
    Try to look for your old Zotero data here:
    https://www.zotero.org/support/kb/restore_after_firefox_reset

    Namely Step 4.
  • Thank you so so much bwiernik! I found all my recent files back, Ouff, I am so so grateful! Now I still have a problem: all my items are in my Zotero standalone, but not ordered by collection-subcollections (I can see all my collections and subcollections on the online Zotero). Can I fix that?
  • Are you saying that you don't see the Collections pane on the left side of the window. If so, click on the left edge to make it pop back out (or just restart Zotero)? If not, what exactly do you mean?
  • Oh, that's great! I did work, i feel really stupid.. Thank you so so much again!!
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