When auditing mailbox permissions in an Exchange Server organization or Microsoft 365 tenant (Exchange Online), the administrator needs to find all the mailboxes that a particular user has access to.…
In some cases, when you sign in to an Office 365 (Microsoft 365) or Office 2019/2016/2013 application on Windows with a Microsoft account (or an Azure account), the following error…
You can use audit logging in on-premises Exchange Server and cloud-based Exchange Online (Microsoft 365) to track all user actions on any items in a mailbox. By using mailbox activity…
This article lists common reasons why the “Couldn’t verify subscription” errors appear when you try to start Office 365 (Microsoft 365) apps (Word, Excel, Outlook, etc.). The article is based…
In some cases, when you try to connect a new mailbox hosted on an on-premises Exchange Server or Microsoft 365 (Exchange Online), Outlook shows the following error after you enter…
In Exchange Server, you can use the Search-Mailbox or New-ComplianceSearch PowerShell cmdlets (available in newer versions of Exchange Server and Exchange Online/Microsoft 365) to search for and delete email items…
In this article, we’ll show you how to get the last login date and sign-in activity of your Azure Active Directory users, export and analyze Azure sign-in and audit logs…
An on-prem Exchange or cloud Exchange Online (Microsoft 365) administrator must control user mailbox sizes. In this article, we’ll show how to get current mailbox sizes and set mailbox quotas…
If you face any troubles when searching for email items in different Outlook versions (nothing is found, not all results are displayed, not all *.pst files used for search, not…
By default, cloud-based Exchange Online (Microsoft 365) prevents automatic external email forwarding using Outlook rules or enabled mailbox forwarding.