Hi Severin, Using you Mac is the most efficient approach and there’s a handy tool built-in with macOS. NB: Don’t forget to make sure you’ve got a copy of your contacts backed up somewhere before making changes.
1. Start by launching the Contacts application. 2. Make sure All Contacts is selected in the top left corner of the window (this will include local and cloud stored contact cards). 3. In the menu bar click on Card → Look for Duplicates… 4. Next, a pop up window will let you know how many duplicates will be merged if there is different information on cards that share the same name and also if some duplicates will just be removed (this is automatic and in this example all the duplicates are being cleaned up by merging). 5. Click Merge and you’re done! Cheers, Ronni 13-inch MacBook Air (April 2014) 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz 8GB 1600MHz LPDDR3 SDRAM 512GB PCIe-based Flash Storage macOS High Sierra 10.13 > On 19 Oct 2017, at 5:23 pm, Severin Crisp <sevcr...@westnet.com.au> wrote: > > I have 3 iOS devices and 2 OSX (High Sierra) desktops and all share the > address book. Following some recent family messaging mixups due to sharing > information on single cards rather than having separate cards (this is > historical) I set about a clean up doing my operations on one or other of the > two OSX machines. This has proceeded fine apart from the fact that on my > MacAir I now have four copies of each card. I have not a clue why! The > “master” information held in the cloud is fine. I suspect the way is to > reinstall OSX, maybe from the Recovery sector. > All advice welcome > Severin Crisp - in quadruplicate > ____________________________________________________ > > Assoc Prof R Severin Crisp, FAIP, FIP, CPhys > 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia > ph (08) 9842 1950 ( Int'l +61 8 9842 1950) > Mob 0484 624 741 mail to: sevcr...@westnet.com.au > <mailto:sevcr...@westnet.com.au> > ____________________________________________________
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