Introduction When working with files in SharePoint, the drive ID and drive item ID are essential parameters for further manipulation using Microsoft Graph API. The drive ID is a base64 encoded string composed of the site ID, web ID, and list ID for a particular SharePoint library. For more details, refer to Microsoft Graph: Encoding and decoding the drive ID by Mikael Svenson. The item ID part appears to be a base32 encoding of the SharePoint item’s unique ID, though the exact mechanics are still being explored.

Introduction By default, guest access for Microsoft 365 groups is enabled within the tenant. This can be controlled either to allow or block guest access at the tenant level or for individual Microsoft 365 groups / Teams. For more information, check out Manage guest access in Microsoft 365 groups. PowerShell Script to Prevent Guest Access Below is a PowerShell script that allows you to disable/enable guest access for specific Microsoft 365 groups.

Introduction Managing the lifecycle of Microsoft 365 Groups is important to prevent accidental deletion of M365 Groups. It is a good practice to set lifecycle expiration policy to control sprawl. However that means that the group will get automatically deleted after they expire. The Teams/M365 groups owners will get email notifications to renew within a certain timeframe , however if the owners missed the renewal notifications for different reasons, it may lead to accidental data loss.