Least frustrating way to merge libraries?

Hi. I have seen problems similar to this elsewhere, so I was hoping to get a canonical step-by-step on merging libraries.

Situation: I had a good library at work (ckolar), and I branched it onto my laptop for writing my thesis (cgk). With a couple of job changes and new projects, the libraries were both updated and drifted apart from one another. I am now at the point where I want it all to be in one place. I was intimidated when it warned me about deleting everything if I unlinked on my laptop.

I have paid for online storage for my -ckolar- account, so would like to merge into that, unfortunately there is no cutover date but I continued to add to each.

I would appreciate a step by step letting me know when and what to backup/unlink/etc ... I have seen lots of answers on here for merging but I am not sure which scenario most aligns with what I am trying to do. My earliest adds were in 2007, so I imagine my library to be a fragile, old book that needs lots of care. Thank you, Chris
  • The best option is to create a group with ckolar, have cgk join the group, drag all collections from the cgk account to that group and then drag them to ckolar.
    The one downside here are duplicates -- you can either just merge duplicates at the end, or you could see if just deleting items from cgk added before the split makes sense .

    The alternative option is to export from cgk to Zotero RDF, but there's more that can go wrong and there'll be some minor data loss on export/import. The biggest upside here is that it doesn't require online storage, but since you have that anyway you should be fine.
  • Thanks, sounds straightforward and I will give it a go.
  • It worked well for me. I had a lot of removal of duplicates, but I used a cutoff date as you suggested and it removed a lot of the flotsam. Thanks for your help!
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