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Plain answers about keeping one contact list across Google, Microsoft, Apple and CardDAV.
- How to sync iCloud contacts with Google ContactsApple and Google don't sync contacts with each other. Add Google to your iPhone, copy once with a file or keep both the same in both directions.
- How to remove duplicate contacts in Google ContactsStep by step: back up your contacts, then merge duplicates with Merge & fix on a computer and on Android. And what Google can't merge.
- How to remove duplicate contacts in Outlook and Microsoft 365Step by step: back up your contacts, then remove duplicates in classic Outlook. And why new Outlook hides duplicates but keeps them.
- How to remove duplicate contacts on iPhone, Mac and iCloudStep by step: back up your iCloud contacts, then merge duplicates on iPhone and Mac. And why linked cards are not merged.
- How to remove duplicate contacts in CardDAV address booksCardDAV has no duplicate tool. Step by step: back up your address book, then merge duplicates in Nextcloud, 2 contacts at a time.
- How to sync contacts between Google and Microsoft 365Google and Microsoft 365 don't sync contacts with each other by default. See the built-in options and how to keep both address books the same.
- Why your contacts don't sync between accountsYour phone shows work and personal contacts side by side but never copies them between accounts. Here is why, and what to set on your phone today.
- Phone shows a number, not a name? Why and how to fix itA saved contact shows as a number when your phone can't see the account it's in. Find out why, and how to show Outlook contacts on iPhone and Android.
- How to merge duplicate contacts across accountsGoogle can't merge contacts saved in 2 accounts. See your 3 options, and the steps to merge one person across Google, Microsoft, Apple and CardDAV.