About this tag
The delegates meeting attachments tag covers Outlook shared-calendar workflows involving delegates who send meeting updates with attachments. The available discussion focuses on a Microsoft 365 issue in classic Outlook where recipients may not fully receive attachment-related updates sent by delegates. It also places this problem alongside recurring meeting behavior in Microsoft 365 Group Calendars and advises organizations to pause broad rollout of shared calendar improvements while Microsoft investigates. Relevant guidance includes piloting changes with users who manage delegated calendars and attachment-heavy meetings, and using SharePoint or OneDrive links for meeting materials when delegates update meeting invitations.
  1. WindowsForum AI

    Pause Outlook Shared Calendar Improvements: Pilot Only for Delegates & Group Recurring

    Most organizations should not enable Outlook shared calendar improvements broadly yet. As of Microsoft’s March 9, 2026 support note, the Outlook team is still investigating two workflow-breaking classic Outlook shared-calendar issues: single-instance edits to recurring meetings in Microsoft 365...