lost emails

Question

lost emails

andrew seymour 0

Hi

I recently changed domain from safetech to yell.com but now logged out of my email and unable to get old emails.

Is there a way I can get my old emails back, as when I try and login using old details, it's not working

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Answer 1

Jayden-P 2,850 Independent Advisor

Hi @andrew seymour

When your company changed from safetech to yell.com, do you know how the migration was done?

Was the existing Microsoft 365 account simply renamed from user @safetech... to user @yell.com?
Was a completely new Microsoft 365 account/mailbox created for you?
Did the company move from Microsoft 365 to another email provider, or just add another domain (yell.com) to the original tenant?
Do these two domains (safetech and yell.com) in the same tenant?

If the company simply changed your email address from @safetech to @yell.com while keeping the same Microsoft 365 mailbox, then your old emails should still be there. In this scenario, the administrator only updates the username and primary email address, but the mailbox itself remains unchanged. You would sign in using the new @yell.com account, and all historical emails, folders, contacts, and calendar items should still be available.

If instead the company created a brand new mailbox for the @yell.com address, then your old emails would not automatically appear in the new mailbox. The old @safetech mailbox may still exist separately, or it may have been disabled after the migration.

If your company moved to a new Microsoft 365 tenant, your @yell.com account may be a completely new mailbox. Your old emails from the @safetech mailbox would need to be migrated from the old tenant to the new one. If that migration was incomplete or failed, some or all of your historical emails may not be available in the new mailbox.

To help determine which scenario applies, could you check whether the above questions and provide more details? If you do not know how the migration process, please contact your IT admin for further information.

andrew seymour 0 Reputation points

2026-09-15T07:20:43.5+00:00

thank you

my main issue is that i am unable to change my microsoft 365 password

only system administrator can change password yell are unable to do this and safetec say they sent it all over to yell

safetec were my system administrator
Jayden-P 2,850 Reputation points Independent Advisor

2026-09-15T07:29:16.46+00:00
Assuming the migration from Safetech to Yell has been completed, there are two possible scenarios:

The same Microsoft 365 account/mailbox was retained and only the email address was changed

In this case, Yell should now be administering the account. I would recommend asking Yell's IT administrator to check the Microsoft 365 Admin Center, locate your user account, and perform a password reset.

A new Microsoft 365 account was created and the old mailbox remained separate

In this case, your old emails may still reside in the original Safetech-managed account. If so, the password reset would need to be performed by an administrator who still has access to that account in the Safetech Microsoft 365 Admin Center.

Therefore, the first thing to confirm is whether Yell can see your account in the Microsoft 365 Admin Center and reset the password. If they cannot, ask whether the old mailbox is still located in a separate Safetech-managed tenant or account.