Export Shared Mailbox Delegates from Exchange Online (and Why PowerShell ISE Breaks It)
A PowerShell 5.1 script to export Shared Mailbox permissions from Exchange Online, and why it must relaunch itself out of PowerShell ISE.
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Entries connected to "Exchange-Online", gathered in one place for quick browsing.
A PowerShell 5.1 script to export Shared Mailbox permissions from Exchange Online, and why it must relaunch itself out of PowerShell ISE.
Two companion PowerShell scripts: one for auditing inbox rules across an entire tenant, and another for inspecting rules for a single mailbox - perfect for threat hunting, compliance, and incident response.
A comprehensive guide to managing Microsoft 365 versions using OfficeC2RClient, including checking current builds, consulting version history, and rolling back or updating Office installations.

A comprehensive guide to managing user visibility in the Global Address List (GAL) using PowerShell, covering both on-premises Active Directory and Exchange Online environments with detailed scripts for checking and modifying the msExchHideFromAddressLists attribute.

Block Unwanted Emails Objective: Prevent sending or receiving emails from specific external email addresses or domains. Action: Navigate to the Tenant Allow/Block List in the Microsoft Security Center. Configure the settings to block specific email addresses or domains. For direct access, use this link: Tenant Allow/Block List. Review Past Week of Sign-In History Objective: Review sign-in history to identify any unusual user activity. Action: Access the Azure portal’s sign-in history section. Specify the user of interest and examine their sign-in locations and activities. Access the portal here: Azure Sign-In History.

A PowerShell script demonstrating the integration of ExchangeOnlineManagement and AzureAD modules to generate comprehensive email troubleshooting reports by correlating data through UserPrincipalName matching.

A collection of PowerShell scripts using ExchangeOnlineManagement module to manage calendar permissions in Exchange Online, including bulk operations for granting, modifying, and viewing access rights across multiple mailboxes.

A comprehensive collection of PowerShell scripts for managing Exchange Online auto-expanding archives, including monitoring, configuration, and reporting tools using the ExchangeOnlineManagement module.

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