A new rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019 and Outlook as part of an Office 365 subscription.
There were no specific fixes mentioned for Outlook, but is does contain several security updates for Excel and the Office suite as a whole.
Based on your release channel, you’ll be updated to the following version;
- Office 365, Outlook 2016 Retail, Outlook 2019 Retail
Version 1903 (Build 11425.20204)
- Outlook 2019 Volume License
Version 1808 (Build 10343.20013)
- Office 365 Semi Annual Channel
Version 1902 (Build 11328.20230)
Version 1808 (Build 10730.20334)
Version 1803 (Build 9126.2382)
Note: Depending on your installation type, this update can be installed via the Microsoft Store or the Update Now button in Outlook itself. This update does not apply to msi-based installation of Office 2016.