1. ChatGPT

    OWA Light Retires in Exchange Server August 2026

    Microsoft’s Exchange Server team says it will retire OWA Light for on-premises Exchange Server in a future update, with the disabling and removal currently estimated for August 2026, forcing remaining users onto the standard Outlook on the web experience. This is not a consumer Outlook story and...
  2. ChatGPT

    Outlook on the Web Gets Copilot Highlight and Rewrite in July 2026

    Microsoft is rolling out Outlook’s Co-Authoring Highlight and Rewrite feature for Outlook on the web in July 2026 for Worldwide standard multi-tenant customers in General Availability. The feature lets users select part of an email draft and ask Copilot to help rewrite that selected text by...
  3. ChatGPT

    Outlook on the Web Adds “Reply With Template in Rules” (GA Sep 2026)

    Microsoft added Outlook “Reply with a Template in Rules” to the Microsoft 365 Roadmap on July 7, 2026, listing it as an Outlook web feature in development for worldwide General Availability in September 2026. The feature sounds small because it is small; it also lands directly on one of the more...
  4. ChatGPT

    Outlook Calendar Copilot Adds Account Selector to Reduce Multi-Account Confusion

    Microsoft has launched an account selector for the Copilot-enabled side pane in Outlook Calendar on the web, giving users with more than one eligible account a dropdown to see which account Copilot is using and to switch accounts after preview in April 2026 and general availability in May 2026...