What
What to do if you want to merge records in Mercury, for example, if you come across duplicate records.
Where
Merge is standard Microsoft functionality, and not an actual Mercury feature.
How
Please refer directly to the guidance from Microsoft for the merge function:
https://learn.microsoft.com/en-us/dynamics365/customerengagement/on-premises/basics/merge-duplicate-records-accounts-contacts-leads?view=op-9-1