How to Switch Email Providers Without Losing Anything

Sep 2026

Quick answer: Export your old mail before anything else, set up forwarding from the old address, update the accounts that actually matter, and keep both addresses running in parallel for a while rather than cutting over all at once.

The actual mechanics of switching providers are simple. What people usually get wrong is the order — cutting off the old account too early, or trying to update everything on day one instead of letting it happen gradually. Here's the sequence I'd actually recommend.

1. Export your old mail first, before touching anything else

Do this before you do anything that risks losing access to the old account. See our guide on backing up and exporting your email for the specifics — Google Takeout, Outlook's .pst export, or connecting the old account to Thunderbird via IMAP all work.

2. Set up forwarding on the old account, if it supports it

Most providers let you auto-forward incoming mail to a new address. This is the single most useful step in this whole process — it means anything that arrives at the old address for weeks or months after you've "switched" still reaches you, without you having to keep manually checking two inboxes.

3. Set up an auto-reply on the old account

A short "I've moved to [new address], please update your records" message, set to auto-reply for a few months, catches people who don't check your contact info often — old colleagues, businesses, anyone emailing you from an old thread.

4. Update the accounts that actually matter, in priority order

Don't try to update every account you've ever created on day one — that's how this becomes overwhelming and stalls out. Prioritize:

  1. Banking and financial accounts
  2. Anything tied to two-factor authentication or password recovery for other accounts
  3. Work-related accounts, if applicable
  4. Everything else — subscriptions, shopping accounts, newsletters — as you naturally encounter them

5. Move your contacts

Most providers offer a contacts export (usually a CSV or vCard file) and an import on the new side. Do this once your new account is fully set up, so you're not manually re-adding people.

6. Keep the old account alive longer than feels necessary

The biggest mistake I see is closing the old account too soon. Keep it active — even just logging in occasionally to avoid an inactivity lock — for at least several months after the switch. Forwarding and auto-reply only work as long as the account itself still exists.

There's no need to do this all in one sitting. Export first, set up forwarding, then let the rest happen gradually as you naturally run into places that still have your old address.
Old account been sitting unused during all this? See our post on why old email accounts get deactivated if it's stopped working before you finished the move.