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Step by Step guide:-
In Word, Click File and/or Select select Options from the main left hand Menu at the bottom.
Click Trust Centre in the left-hand menu
Click Trust Centre Settings…
Now Click the Enable all Macros (not recommended…) option and Tick the box Trust Access to the VBA Project Object Model
Click Ok twice now.
Now you may have to Exit Word and restart your VIA MailMerge task you were doing. Word will remember the settings you have changed.
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