Spreadsheet Formulas

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Extract Domain from Email Address

So I did an email distribution from my spreadsheet. Then 15 emails bounced back from comcast.net.

It seems to happen with some frequency and my email provider has no explanation.

=MID(L2,(FIND("@",L2)+1),30)

Where L2 is column containing email addresses. Find the position number for the @ symbol and add 1. So, MID picks up that position and shows me the next 30 characters.
So I filled down. Got a list of all the domains. I alphabetized the list and now knew who I needed to contact individualy.

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Updated:  07/23/2026 15:08
This page added:  23 July 2026