Office 365 and Microsoft 365 subscribers receive regular software updates, providing them with the latest features, security patches, and bug fixes. However, keeping track of these updates can be challenging. To help with this, we have summarized the recent updates for Office 365/Microsoft 365 for Windows, with the latest releases listed first.
Please note that this article only covers updates for regular Office 365/Microsoft 365 for Windows subscribers. For a preview of upcoming features or to join the Office Insider preview program, please refer to Microsoft’s “Release notes for Office for Windows Desktop (Beta builds)” page.
The latest release, Version 2309 (Build 16827.20166), was released on October 10, 2023. This update addresses two bugs, including the issue of missing Outlook add-ins and the disappearance of subheading numbering in Word when using custom styles. Additionally, it includes several security fixes. IT professionals should prioritize this update due to its security nature.
Version 2309 (Build 16827.20130) was released on September 28, 2023. This update introduces two new features, such as the ability to disable specific types of automatic data conversions in Excel and support for the “Present in Teams” button in PowerPoint to present local files in Microsoft Teams. It also resolves various bugs, including the missing setting to control how Outlook opens previous items at start-up.
On September 12, 2023, Version 2308 (Build 16731.20234) was released. This update fixes multiple bugs, including one that caused unexpected closure of Outlook when viewing an email. It also addresses security vulnerabilities.
Version 2308 (Build 16731.20170), released on August 28, 2023, introduces several new features, such as adding AutoComplete functionality to the Data Validation dropdown list in Excel and implementing Advanced Encryption Standard (AES) with 256-bit key length in Microsoft Purview Information Protection encryption mechanism across Excel, Outlook, Word, and PowerPoint. Bugs related to Outlook crashing and sensitivity labeling have also been resolved.
The update for Version 2307 (Build 16626.20170), released on August 8, 2023, fixes various bugs, including one causing Excel to close unexpectedly when updating charts and another preventing Outlook from showing Top Search Results in certain views. Additionally, security vulnerabilities are addressed.
Version 2307 (Build 16626.20134), released on July 27, 2023, extends the range of supported characters to prevent display issues in Office apps.
On July 26, 2023, Version 2307 (Build 16626.20132) was released. This update introduces improved error recovery when collaborating in Word and adds the option to insert a live camera feed in all slides with one click in PowerPoint. Bugs related to sensitivity labeling and unnecessary meeting changes in Outlook have also been fixed.
Version 2306 (Build 16529.20182), released on July 11, 2023, improves the alert system for picture-to-drawing object conversion in Excel and Word. Security vulnerabilities are also addressed.
The update for Version 2306 (Build 16529.20154), released on June 26, 2023, includes AutoComplete capabilities in Excel’s Data Validation dropdown list and warning messages in Outlook based on sensitivity labels. Bugs related to Outlook’s Me control and mail merge in Word have also been resolved.
Version 2305 (Build 16501.20210), released on June 13, 2023, focuses on security fixes to address vulnerabilities.
The update for Version 2305 (Build 16501.20196), released on June 1, 2023, introduces faster filtering in Excel, an accessibility ribbon tab in Outlook and PowerPoint, and bug fixes related to Conditional Formatting rules in Excel, reading email messages in Outlook, and refreshing ODBC connections in Access.
On May 9, 2023, Version 2304 (Build 16327.20248) was released. This update fixes bugs related to Outlook’s Event-Based feature and connectivity issues in Project Server 2016. Security vulnerabilities are also addressed.
Version 2304 (Build 16327.20214), released on April 25, 2023, includes new features like closed captions in PowerPoint and web browser control for Edge in Access. Bugs such as Excel file preview issues and PowerPoint errors have also been resolved.
IT professionals are advised to apply security updates promptly, while also monitoring for any reported issues. Stay updated with the latest information on each update by referring to the provided links.

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