Key Management Service (KMS) is a Microsoft technology used to activate software across a local network
So, does a true "Microsoft Office 365 KMS" exist? The short answer is —not for the subscription version of Office 365. However, the long answer, which this article will cover, is far more nuanced. You can use KMS to activate volume-licensed versions of Microsoft 365 Apps for Enterprise (formerly Office 365 ProPlus), which share code with Office 365 but follow different licensing rules. microsoft office 365 kms
Key Management Service (KMS) is a volume activation model designed for organizations that want to manage software activation within their own network. It operates on a client-server architecture where a "KMS host" resides on the local network to validate and activate individual "KMS clients". Key Management Service (KMS) is a Microsoft technology
: KMS activations are not permanent. Clients must connect to the KMS host at least once every to renew their activation status. The 25-Day Grace Period You can use KMS to activate volume-licensed versions