Linking a previous M365 to current one

Lee 0 Reputation points
2026-10-09T07:14:35.34+00:00

Hi, I had an old 365 that I no longer used with an email address that I was no longer using. Everything expired and now I have purchased a new M365 using the same email address. How do I link the two so I can gain access to my old storage? Any ideas?

Microsoft 365 and Office | OneDrive | For home | Other
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  1. DaveM121 937.6K Reputation points Independent Advisor
    2026-10-09T07:49:00.9033333+00:00

    1

    It is not possible to merge two Microsoft account, if you have taken out a new subscription, are you using the exact same Microsoft account for the new subscription or a different Microsoft account?

    2

    How long has it been since the original subscription expired, and are you unable to log into the OneDrive (https://onedrive.live.com/) associated to the account your used for the previous subscription?

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  2. AI answer

    2026-10-09T07:14:50.91+00:00

    Microsoft 365 subscriptions and personal Microsoft accounts cannot be merged, and a subscription cannot be transferred from one Microsoft account to another.

    If the old storage is in a different personal Microsoft account, the practical path is:

    1. Sign in to the old account at https://onedrive.com and check whether the old files are still there.
    2. If the files are available, download the files that need to be kept.
    3. Sign in to the current account and upload those files to the current OneDrive.
    4. Keep in mind that when a Microsoft 365 subscription is canceled or expires, access to the included OneDrive storage is affected, so copying out important files before closing or abandoning the old account is important.

    If the old and new sign-in use the same email identity in Outlook, linking can apply to subscription features in new Outlook for certain third-party email accounts, but that does not merge accounts or move old OneDrive storage between accounts.

    If the sign-in prompt shows both a personal account and a work or school account with the same email address, those also cannot be merged. They can only be used side by side.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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