Go to Google Contacts.

At the top left, click Menu Merge & fix.

If you don’t find a "Merge duplicates" option, you don’t have any contacts that you can merge. If you find contacts that you can merge:

• To accept one or more duplicate contact suggestions, click Merge.

• To accept all duplicate contact suggestions, click Merge all.

Optional: If you want to choose which contacts to merge:

• Go to Google Contacts.

• To select the contacts you want to merge, hover over each profile picture or monogram. Then, check the box.

• At the top, click .