Hi @Pranay Parekh ,
What version of Word for mac are you using?
What's meaning of "merge mail is not eatable"? Did you mean the Mailing tab is missing or you the options are grayed out?
Did this problem appear in all documents or specific documents?
I suggest you try to create a new document in desktop and test if the option will work fine.
Please be a bit more precise to explain your requirement or you can upload a screenshot so that I can get more accurate solutions to this problem. I’m glad to help and follow up your reply.
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