This guide has been updated the latest version is here – https://intunedin.net/2021/02/02/preparing-for-the-ms-100-microsoft-365-identity-and-services-exam-february-2021-update/

It’s only been over few months since the last update of this prep guide, and there are a few minor updates that won’t really have too much of an impact on your preparation, primarily the updating of Office 365 ProPlus references to Microsoft 365 Apps for enterprise naming.

For the latest updates to exam prep guides please check https://intunedin.net/exams

Design and implement Microsoft 365 services (25-30%)

Plan Architecture

Deploy a Microsoft 365 tenant

Manage Microsoft 365 subscription and tenant health

Plan migration of users and data


Manage user identity and roles (25-30%)


Design identity strategy

Plan identity synchronization

Manage identity synchronization with Azure Active Directory (Azure AD)

Manage Azure AD identities

Manage roles

Manage access and authentication (15-20%)

Manage authentication

Plan and implement secure access

Configure application access

Plan Office 365 workloads and applications (25-30%)

Plan for Microsoft 365 Apps deployment

Plan for messaging deployments

Plan for Microsoft SharePoint Online and OneDrive for Business

Plan for Microsoft Teams infrastructure

Plan Microsoft Power Platform integration

For the latest updates to exam prep guides please check https://intunedin.net/exams