Office 365

Need to manage calendar access in Exchange? PowerShell is the preferred way to manage access to calendars in user and shared mailboxes that are hosted on on-premises Exchange Server or …

There are generally two criteria to identify Microsoft 365 inactive users: Administrators can consider one or both criteria when analyzing inactive Microsoft 365 users for possible clean-up and freeing up …

Security Defaults are a set of policies that provide baseline identity security for Microsoft 365 tenants. They replaced the older Baseline Protection policies. As excellent as it is, the Security …

In this tutorial, we will show how to send Microsoft 365 password expiration notification emails to users using PowerShell and Microsoft Graph API. Introduction When Microsoft removed password expiration from …

Businesses and individuals use automatic replies in Outlook to let senders know how their messages were received or give them further details. The common practice is to use Shared Mailboxes …

Sending messages from Exchange shared mailboxes is standard for businesses. Users may experience email delivery failure when sending messages as another mailbox with the following non-delivery report (NDR) examples: This …

There is no convenient way to find out if Multi-Factor Authentication is enabled for a particular user and what MFA methods are configured in the Microsoft 365 Admin Centre web …

This article explains how to search Microsoft 365 Unified Audit Logs using the Search-UnifiedAuditLog PowerShell cmdlet (including filtering by record type, operations, user, and IP address, and handling large result …

Exchange Online Messaging Records Management (MRM) is a legacy Exchange feature that remains useful for specific mailbox lifecycle cases. In particular, MRM can automatically move messages from a primary mailbox …

This article explains the possible causes for the “STARTTLS is required” error and how to fix it and send an email successfully. What Does the StartTLS is Required Error Mean? …