About 15 months ago i had windows 10 replaced with windows 7 now my microsoft office 2010 is asking for a product activation! Now the only key i have is on the box that contained the Microsoft office. The following should work if you're just looking for the product key for one member of an Office 2016 and 2013 suite, like Word or Excel, as well as if you're after the key for an entire suite, like Office Home & Student, Office Home & Business, or Office Professional in 2016 or 2013 versions.

Step 5: Click on the box that says Get Started. Create a Microsoft Account or use your existing account and begin installing Office 2016 for Mac. You need to create or use your existing Microsoft Account to login this step is mandatory. Here is the steps with screenshots: Step-1 Step-2 Step-3 Thanks prathaprabhu Don't Say Can't Say Can to Not.

Hi Helen, I would need more details to assist you: How was Office 365 purchased and from where? Which Office 365 product did you purchase?

Instead, the Microsoft account you used during the first Office installation will be linked to the product and will be needed if you need to reinstall. If you installed Office 2013/2016 from other source which included product key - in most cases product key will not be stored in the system at all. Only last 5 characters can be recovered. Recover Keys will shows you last 5 characters from product key, product ID and license status, like on screenshot below (Office 2013 is shown on screenshot as Office 15, RETAIL channel): For more information check this link from Microsoft.

I'm getting a new hard drive for my laptop because the old one is corrupted (or something like that). Undo trash on mac. However, I can't find the Microsoft Office product key that I used to install Microsoft Office way back when.

• Select Install Office again in the window where the product key appears. Let's get your Office page, follow the prompts to associate your product key with your Microsoft account and start the installation process. If you bought Office through Microsoft HUP When you install Office Professional Plus, Visio Professional, or Project Professional through your employer's Microsoft HUP benefit, you enter your product key after you install your product. • Start any Office app, such as Word, Visio, or Project, depending on your purchase.

Volume Activation provides two different models for completing volume activations: Key Management Service (KMS) and Multiple Activation Key (MAK). KMS allows organizations to activate systems within their own network.

Write it down and store it in a safe place. Read the Key From the Certificate of Authenticity Sticker If you have a Windows 7-era PC, there’s a good chance the PC’s key is a single key the manufacturer uses for all their PCs. Thanks to “System Locked Pre-installation,” you’re not allowed to use that key to install Windows. If you try, you’ll get error messages about the key being invalid.

Depending on which version of Windows or Office you are running there are different methods for reinstallation – all quite straightforward. However, the one common denominator is the need for the product key. Most software programs require a product key as part of the installation process. If you've lost your Microsoft Office or Windows product key, you'll need to find it before you can reinstall the software suite.

• • • Way 1: Find your Office 2016 product key in system registry Generally, once the software is installed on computer, its product key will be saved in registry file automatically. Office 2016 product key is also stored in the system registry file after installation. So if you can find the registry file, Office 2016 product key will also be found. Only because it is written in binary format, we cannot read it directly. But if you have product key finder tool in hand, everything will be different. It would be easy for you to display and find product keys for softwares installed on your computer, surely including newly-installed Office 2016 product key just with one click. Step 1: Install and run iSunshare Product Key Finder on your computer.

Record this information exactly, as the key will not work otherwise. Use Magical Jelly Bean Keyfinder to extract the CD keys for software you currently have installed.

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