Sequentially number occurrences of e-mail addresses using a formula or VBA

Dear Experts:

I got a list / datat table with the following make-up ...

The numbering in Column A (so far manually) should be automated.

The macro or formula is to count the number of occurrences of the e-mail adresses in Column A as depicted in the screenshot above.

- Single e-mail addresses get the number 1
- Multiple occurrences of e-mail addresses get 1 to n numbering depending on the number of occurrences of the respective e-mail address.

I have attached a sample file for your convenience.

Help is very much appreciated. Thank you very much in advance.

Regards, Andreas

Andreas HermleTeam leaderAsked:
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Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
Please try this...

In A2

Open in new window

and copy it down.
Andreas HermleTeam leaderAuthor Commented:
Oh Great Subodh, this seems to be trick. Will do some testing and then let you know. Thank you very much.
Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
Thanks Andreas!

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How long/big is this list of emails?
Andreas HermleTeam leaderAuthor Commented:
Great job, thank you very much for it.
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