Below is a detailed walkthrough to guide you through each step of the process. Related concern: What is OInstall.exe (Virus?) and its ties to Office 2019/2021 Step-by-step guide for activating Office by phoneĪctivating Microsoft Office by phone involves a series of steps that must be followed carefully to ensure a successful activation. Always refer to official documentation for the most accurate information. Note that the prerequisites might vary slightly depending on your location and the specific version of Office. Installed Microsoft Office Suite: Ensure that the Office suite is already installed on your computer, but not yet activated.Administrative rights: You should have administrative permissions on the computer to run the activation.Computer access: You’ll need access to the computer on which Office is installed to complete the activation process.Phone line: A phone line is needed to call Microsoft’s automated activation service.Genuine Microsoft Office product key: Make sure you have a valid product key for the version of Office you’re trying to activate.What happens if I lose my confirmation ID?īefore you begin the phone activation process for Microsoft Office 2021 or 2019, there are some requirements you need to ensure:.Can I use the same product key on multiple computers?.Can I activate older versions of Microsoft Office by phone?.Why would you want to activate Office by telephone?.Cannot reach the automated phone system.Step-by-step guide for activating Office by phone.

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