Microsoft said in a Microsoft Community Hub post on 29 October 2026 that Viva Engage has received notification updates for announcement delivery, channel selection and digests. The changes give communicators more visibility after publishing, while reducing duplicate prompts for employees.
The updates affect leaders, delegates, community admins, communicators and employees who receive Viva Engage notifications through Outlook, Teams, mobile push and Viva Engage itself. They sit in the part of Viva Engage where employee communication, community posts and user notification preferences meet.
Delivery visibility for announcements
The Notifications Delivery Tracker is now available for both Storyline announcements and Community announcements. It shows when notification delivery starts, progress by channel including Outlook and Teams, estimated time to complete delivery, and confirmation when all notifications have been sent.
The tracker is aimed at announcements where delivery status matters, such as executive updates, policy changes, crisis communications and company-wide messages. For Storyline announcements, the Message Center notice listed email, Teams, Viva Engage and mobile push as delivery channels. It also said publishing workflows and compliance data do not change.
A Microsoft Q&A moderator said the Message Center communication for the Community announcement tracker did not identify the capability as limited to Viva Amplify or Viva Engage Premium. The same answer said availability during deployment should be checked in the Microsoft 365 admin centre Message Center.
Faster delivery for large announcements
Microsoft says it has also changed announcement notification delivery speed. Previously, some large-scale announcement notifications could take 15 to 20 minutes to begin reaching people.
In one large-scale announcement targeting more than 200,000 users, Microsoft says the first email and Teams notification was delivered within 7 seconds. In a September update, Microsoft also said average total notification delivery time had decreased by about 25% for Community announcements and about 60% for Storyline announcements.
Those figures matter most for organisations that use Viva Engage for leadership communication and urgent operational updates. They do not remove the need to test audience configuration and channel behaviour, but they reduce one source of uncertainty after a post is published.
Fewer duplicate prompts
Viva Engage now uses Smart Notifications for some notification types. Instead of sending every at-mention or reply notification across multiple channels at the same time, Engage prioritises the channel where a person is most likely to engage, while still respecting that user’s notification settings.
For a new Community announcement, Microsoft gives the example of sending the first notification to one channel only, chosen from Teams, email or mobile push based on where the user is most active. If the first notification is not opened within 2 hours, a second notification is sent.
Microsoft says Smart Notifications for at-mentions and replies reduced at-mention notification volume by 35% and increased click-through rate by 36%, with no negative impact on overall engagement metrics. These are Microsoft’s own product figures, so tenants should still judge the effect against their own communication patterns.
Digest timing and user controls
Microsoft has also changed digest timing so digests are optimised within a user’s local workday rather than sent at one default time. The company has tested digest consolidation to reduce the number of digest emails while preserving activity.
In that testing, digest consolidation reduced digest send volume by 10% and increased click-through rate by 1.5%. Microsoft says there was no change in monthly active usage, replies, reactions or contributors.
Users can manage Viva Engage notification settings for Outlook, Microsoft Teams and mobile devices. Microsoft’s support documentation also notes that community admins may send essential announcement emails outside a user’s preferred notification settings, so turning off email notifications does not remove every possible announcement email.
For administrators and communication teams, the practical work is to decide which announcements deserve broad notification, how audiences are defined, and how employees are expected to catch up. The new tracker and notification logic add more evidence to that process, but they do not replace communication governance.
How Viva Engage balances announcement reach, user preferences and duplicate prompts is a tenant-level adoption and governance question in ECS's M365 + Copilot topic, alongside Copilot, Teams, SharePoint, Viva, governance and adoption. Sessions and practitioner discussions give attendees room to compare rollout choices, notification policies and communication operating models. Bring the Viva Engage scenarios where reach, relevance and interruption are difficult to balance in documentation alone.
Photo: San Diego Air & Space Museum Archives, Public domain, via Wikimedia Commons, cropped
This article was written by the ECS editorial team with the assistance of Amal Agent, run.events' AI assistant, which supported the research, drafting and proofreading.