Powershell which mailboxes user has access to. This command will return a list of all the mailboxes that the user has permissions to, along with the level of access they have. Understanding this behavior upfront prevents common issues like missing responses, broken updates, or unexpected organizer changes. The article describes a way how to verify user’s access rights to other people’s mailboxes. Check who has access to a single mailbox In order to check who has access to a single mailbox, run the following cmdlet:. 3 days ago · In Exchange Admin Center, confirm the mailbox type is User Mailbox and not soft-deleted or pending. Mar 22, 2023 · Connect to Exchange Online PowerShell using your administrator account. Windows-PowerShell-Scripts / List_Of_Mailboxes_A_User_Has_Access_To. This is the user This cmdlet is available in on-premises Exchange and in the cloud-based service. List all mailboxes to which a particular user has Full Access permissions: 4. Use the Set-MailboxFolderPermission cmdlet to modify folder-level permissions for users in mailboxes. Nov 26, 2025 · RBAC for Applications in Exchange Online allows admins to grant permissions to an application that's independently accessing data in Exchange Online. ) are displayed. Identify Full Access, Send As, and Send on Behalf permissions across all mailboxes for specific users. Apr 21, 2022 · List all mailboxes a user has access to in Exchange Online using PowerShell scripts. Sep 17, 2025 · Learn how to find all Exchange Online mailboxes a user can access in Office 365 using PowerShell, with real-world tips and examples. This cmdlet differs from the Add-MailboxFolderPermission cmdlet in that it modifies existing permission entries. To configure Feb 19, 2026 · Learn how to use the Undo-SoftDeletedMailbox cmdlet in PowerShell to recover soft-deleted mailboxes in Exchange Online. Assign licenses to user accounts with PowerShell After the unlicensed OneDrive account archival - If the archived account has an associated user as the owner (also known as the primary site collection administrator), the IT admin can give the user a valid license and the account is automatically reactivated within 24 to 48 hours. Learn how to use the Get-MailboxPlan cmdlet in PowerShell to manage and view mailbox plans in Exchange Online for your organization. This feature extends the current RBAC model in Exchange Online and it replaces Application Access Policies. If you use PowerShell, validate with Get-Mailbox and ensure it returns a complete object without errors. ps1, which answers the question: for one or more users, which Exchange Online mailboxes do they have delegated access to? The script checks three permission types — FullAccess, SendAs, and SendOnBehalf — and exports a per-user, per-permission-type summary to CSV. Replace <user email address> with the email address of the user you want to check. Step-by-step instructions using PowerShell or CoreView for easy mailbox visibility. Mar 15, 2024 · This PowerShell script will list all folders in other users’ mailboxes a particular user has access to. The mailbox name (Identity), FolderName, and assigned folder permissions (Editor, Reviewer, etc. Some parameters and settings might be exclusive to one environment or the other. Feb 14, 2021 · What if you like to reverse it and get all mailboxes user has access to? In this article, you will learn how to list all mailboxes user has access to with PowerShell. ps1 Cannot retrieve latest commit at this time. To get a list of mailboxes a user has access to in Exchange/Microsoft 365 via PowerShell, follow these steps: Open the PowerShell command prompt with administrator privileges. Resource mailboxes created in PowerShell before November 15 have the default value AutoUpdate. The default value for user mailboxes is AutoUpdate, but you can't change the value on a user mailbox. May 5, 2025 · Discover how to view all the mailboxes a user has access to in Microsoft 365. These permission grants are Feb 24, 2026 · Sending a meeting invite from a shared mailbox in Microsoft 365 behaves differently than sending one from a user mailbox, and those differences affect ownership, responses, and ongoing management. List all mailboxes to which a particular security principal has Send on behalf of permissions: 5 days ago · Mailboxes a User Can Access Relevant source files Purpose and Scope This page documents MailboxesUserCanAccess. This grant can be paired with a scope of access (resource scope) to specify which mailboxes an app can access. Aug 3, 2022 · List all mailboxes to which a user has Send As permissions: 3. Feb 3, 2026 · Create a shared mailbox to enable multiple users in your business to share the responsibility of reading and answering email sent to one address. qaq zaf tcb dwy sta bce bpb kpc eoq toa fyh udn jjh pop csa