office 365 product key lost

[eyelean]

unable to re-install Office 2013 as you have forgotten the Microsoft Account which was registered with the product.

[ichi730 · Accepted solution]

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@eyelean wrote:

unable to re-install Office 2013 as you have forgotten the Microsoft Account which was registered with the product.

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Hi,

You should call Microsoft support regarding your concern.

Microsoft	800-642-7676
Microsoft Activation 8AM and 10PM ET	866-530-6599

Cheers!

[WAWood]

eyelean

Ever since Office 2013, Microsoft has distributed Office products in two different "versions".

The first is similar to what they did previously, with the software installed locally on your PC, using a product key that came with the product. When done, that product key is stored locally in your PC, in the registry. This means that you can use a variety of registry scanning tools to retrieve that product key later -- should you need it.

The second is something new known as Click to Run (abbreviated CTR). In this case, you download the installation package from Microsoft, install it, and use the product key obtained from Microsoft. With the CTR version, the product key is NOT stored on your local machine, but instead, in your account at Microsoft. There is no way to retrieve the product key from your machine because it simply is not stored there.

IF you had the second version, the ONLY way to get the product key, is from your MS account.