Where to find an Office 365 product key, A product key is a unique and alphanumeric code that can be of varying lengths. The product key is usually required for the installation of many software programs to ensure the developers that their software is legally purchased and used by the people.

Where to find an Office 365 product key

office 365 - product key

office 365 – product key

The software either for programs or operating systems often requires product keys so that they are legally owned by the users and they pay for the program for installation.

However, software like Microsoft office requires a product key to ensure that the software is obtained legally and can be easily activated for further use.

There are indeed real, certain free software and open source programs are available that don’t need any product key until and unless the manufacturer implements its usage for certain statistical purposes.

In short, for most of the software, it is essential to have the respective product keys to use them uninterruptedly and legally for any purpose.

But often, people find it difficult to get or install the concerned product key on their devices or they go to get a free version of the software available.

This is not only illegal but also can be problematic to you while using them for official tasks. Here, in this article, we will be giving you a deep insight into the importance of product key and how you can find it in your device easily.
The different usage of product keys

A product key is considered as the password for a program. This password restricts the buying or installing any particular software or application on any device.

Hence the role of a product key is very important for authenticating a software or application. Without a product key, the users can use the restricted version of the software or have to run a trial version of it and cannot get the opportunities as given by the full version of the software.

Product keys are usually required for the installation of certain programs. There are certain servers of the product keys are available that allow the usage of the same program by more than one person until they are used simultaneously.

In such situations, there are limited slots available through which others can still use the program even if the actual destination of the product key shuts down.

Microsoft Product Keys

One of the most popular software with product key is Microsoft Office. The Microsoft Office on various windows operating systems requires to enter unique product keys offered by the software during installation.

Although the product keys provided by Microsoft are often located on the sticker, there are certain versions of Windows and Microsoft Office, the length of the product keys are 25 characters combining both the numbers and letters.

Windows versions ranging from

  • Windows 98
  • Windows Vista
  • Windows XP
  • Windows 7
  • Windows 8
  • Windows 10 till
  • Windows 14

The Microsoft product keys are of 25 characters like of (five-by-five set) that is creating the formation Like same as


For the other window versions of Windows like Windows-95, and Windows NT, are of set Like as below


Be careful enough while getting product key, There are several online sources available that claim to provide you with the correct product key.

But it is important for you to ensure the authenticity and legality of the software product key you have found.

This is because sometimes these product keys found online may make you replace the EXE or DLL file on your system with the already existing legitimated software copy which is certainly legal one.

After this replacement, you may use the never-ending trial version of the program while using the pirated software or you can use the full version after providing the given product key.

There are certain other product keys are available that are distributed illegally either through various web portals or other ways.

They are usually found in text file formats. Such software can be activated even offline by using the same code given.

The same software product key can be used by a number of people at the same time for multiple installation processes without any flag keys.

The prime demerit of such product keys is there is no validation of the software as it is activated offline. Because of online activation processes, authorized product keys send information to the developer regarding validation and thus, you can use a fully authentic product key format.

However, there are also certain Keygen programs available. These programs are able to generate various product keys. But they often contain malware which may harm the system of the activator or applier. Hence, one should avoid getting Keygens for their systems.

Locating Product Keys

Although product keys are essential to install the software on the device, often people face difficulties with lost product keys or inability to find the same.

Well, if you are one of them and thinking to repurchase another one then wait for a while. All you need to do is to find the key from the place where it is first installed.

The product key for any software program or operating system is stored in the Windows Registry. The file remains in an encrypted format.

It is because of this encrypted format, it sometimes becomes difficult to find it without any professional or expert help. The users can also take the help from special programs which are called product key finders in order to locate the keys. These programs will exist in the system as long as the software hasn’t been erased.

For example, the product key information often requires to uninstall or reinstall Windows 7 or Windows 8.1. If you buy a physical copy of Windows, you may find a label or card that will be there inside the box.

However, in the case of preinstalled windows in your PC, the product key may appear on the device’s sticker. So, if you lost the sticker or face difficulty in finding the product key, you may need to contact the manufacturer.

You can also follow these steps to resolve your problem,

Step 1: Go to the official site of Microsoft
Step 2: Click on the support button that is given on the header.
Step 3: Select the operating system you are using.
Step 4: Select the appropriate product like Windows 7, Windows 8.1 or Windows 10 by clicking on the down arrow key.
Step 5: Locate the Microsoft product key.

Read: More on Microsoft Office Tools