Blog Archives
Troubleshoot and Fix the Microsoft Teams Meeting Add-in Missing in Outlook
The Microsoft Teams Meeting add-in allows users to schedule and manage Teams meetings directly from Microsoft Outlook. However, the integration can occasionally stop working, causing the Teams Meeting button to disappear, become disabled, or fail to generate meeting invitations. These issues can occur following Microsoft Office updates, Teams upgrades, software installations, changes to Windows […]
Understanding Email Authentication Headers: SPF, DKIM, and DMARC Explained
Email authentication plays an essential role in protecting against domain spoofing, phishing, and unauthorized email delivery. Three key standards, SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance), work together to verify sending servers, validate message integrity, and confirm that authentication aligns with the sender’s domain. Understanding how […]
Change the Maximum Size Limit for Outlook PST and OST Files
Microsoft Outlook stores mailbox data in PST and OST files. By default, modern versions of Outlook typically have a file size limit of 50 GB for Unicode PST and OST files. If Outlook reaches this limit, users may see errors stating that the Outlook data file has reached its maximum size. Microsoft provides registry values […]
Convert an Exchange Online User Mailbox to a Shared Mailbox Using PowerShell
Converting a user mailbox to a shared mailbox is a common offboarding and delegation workflow in Microsoft 365. It lets a team continue to access a mailbox (and optionally send as it) without requiring the mailbox to remain a licensed user, as long as you stay within shared mailbox limits. When this is the right […]