Modern versions of Outlook (starting with Outlook 2016) don’t allow you to manually configure a connection to a mailbox hosted on Exchange Server or Exchange Online (Microsoft 365). Microsoft developers…
The attachment file preview suddenly stopped working in my desktop Outlook app. When selecting an attachment file (PDF, XLSX or DOCX), an error appears in the Outlook preview window:
In legacy Windows versions (Windows 7/XP or Windows Server 2008R2/2003) with Outlook 2010/2013/2016/2019, you may see the following error when trying to connect to a mail server:
An automatic reply feature (Auto-Reply, Out of Office Message/OOF) allows an Exchange user to configure a rule in their mailbox to automatically send a specific message in reply to all…
In different versions of Outlook (2019/2016/2013/Microsoft 365 Apps), a bug occurs periodically when the create signature button stops working. When the user clicks the Signature button in the Outlook settings,…
In this article, we’ll look at how to manage calendar permissions in on-premises Exchange Server and Microsoft 365 mailboxes using Outlook and PowerShell. We will also focus on the topic…
A widespread problem is when Outlook keeps asking for the user credentials, even if the correct password is specified. After starting Outlook successfully connects to the on-premises Exchange server (or Microsoft…
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…
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…
Some Windows 10 users complain that when launching Office 365 apps (Outlook, Teams, Word, Excel, etc.) or Outlook 2019/2016 (with Exchange Online mailbox), a blank white sign-in screen appears when…