reinstallation office 16

Question

reinstallation office 16

Dinesh Gupta 0

reinstallation of licensed office 16 professional

i want o to reinstall on a laptop which was formatted after disc failure. I have product key and was loaded on the dell computer. the mail id of buyer is not functional now

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Answer 1

Hello Dinesh Gupta,

Since the laptop was formatted after the disk failure, Office will need to be downloaded and activated again.

If the product key was previously redeemed, it is normally linked to the Microsoft account used during the original setup. Please sign in to the Microsoft account Services & subscriptions page using that account. If Office 2016 appears there, select Install. You should not need to enter the product key again.

Because the buyer’s email address is no longer functional, please first try recovering access to the associated Microsoft account:

Microsoft account recovery guidance

If the license is not listed, please clarify how Office Professional 2016 was obtained:

Purchased separately from Microsoft or a retailer
Preinstalled by Dell
Purchased through an employer’s Workplace Discount Program
Supplied through an organization’s volume-licensing agreement

Please also note that support and security updates for Office 2016 ended on October 14, 2025, so upgrading to a supported Office version is recommended.

Feel free reply back to this post if you need further assistance, I'll be happy to help.

Xavier-D 13,745 Reputation points Microsoft External Staff Moderator

2026-09-29T23:39:43.2933333+00:00

Hi Dinesh Gupta

I’m following up to check on the status of this issue.

Have you had an opportunity to review the answer shared earlier?

Any update you can provide would be greatly appreciated.