The November security and rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021, Outlook 2024, and Outlook as part of a Microsoft 365 subscription.
It contains 8 security updates for Excel (5), Word (1), and Shared Office Components (2).
In addition, it contains 1 non-security fix related to Outlook Current Channel Version 2410, 5 fixes related to Outlook Monthly Enterprise Version 2409, and 2 fixes related to Semi Annual Preview Version 2408.
- Version 2410
- Resolved an issue where all characters didn’t appear correctly when creating an Outlook task from OneNote.
- Version 2409
- We fixed an issue where the app closed unexpectedly when a cache file contained corrupted data.
- Resolved an issue where an email wouldn’t fully render in the preview pane. (Word)
- Fixed an issue that was preventing emails with linked SVG content from saving or sending. (Word)
- Version 2409 and 2408
- We fixed an issue that caused content marking to not show up properly in S/MIME messages.
- We fixed an issue where Wait On Send evaluation would never complete if the editor was processing changes.
Current versions and build numbers
Based on your release channel, you’ll be updated to the following version;
- Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail, Outlook 2024 Retail
Version 2410 (Build 18129.20158) - Monthly Enterprise
Version 2409 (Build 18025.20214)
Version 2408 (Build 17928.20286) - Semi-Annual Enterprise (Preview)
Version 2408 (Build 17928.20286) - Semi-Annual Enterprise
Version 2402 (Build 17328.20648)
Version 2308 (Build 16731.20948) - Outlook LTSC 2024
Version 2408 (Build 17932.20162) - Outlook LTSC 2021
Version 2108 (Build 14332.20812) - Outlook 2019 Volume Licensed
Version 1808 (Build 10416.20007)
Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.
Outlook’s indexed search is fast as long as you know the exact beginning of the word or string that you are looking for.
Thinking about upgrading your computer to Windows 11 or are you using Outlook on a Windows 11 computer already and are being offered 
When you reply to an email in Outlook, the original emails are not included. This is because it is assumed that the original sender still has access to the original attachments.
Nowadays, it is quite likely that you have multiple email accounts configured in Outlook.
Common signatures include a greeting, your name, your company name and possibly a website address and a phone number.
When composing a message in the HTML format in Outlook, the HTML code is automatically generated by the WordHTML engine. Unfortunately, Outlook does not provide a direct way of editing this generated HTML code.
Do you need to send the same emails on a recurring basis like daily, weekly or monthly? Sending out reminders, forwarding reports or the latest offers and prices can be a tedious task.
S/MIME support for Outlook on the Web (OWA) used to be only available in Internet Explorer but it is now also possible to add this to Google Chrome and the new Microsoft Edge browser.
There are several guides containing PowerShell scripts on HowTo-Outlook.com. PowerShell is a powerful scripting language which can be used by many applications including Outlook and Exchange. For end-user usage, it can be seen as the successor of vbs and batch scripts.
If you’ve ever used Outlook Express, Windows (Live) Mail, Thunderbird, Lotus/IBM Notes or basically any mail client other then Outlook, chances are that you have some eml-files stored somewhere as well.
The Autodiscover service is a required service for Outlook-Exchange connectivity since Outlook 2007 and Exchange 2007 but for whatever reason, in some Exchange environments this still hasn’t been implemented correctly.
Thinking about upgrading your computer to Windows 10 or are you using Outlook on a Windows 10 computer already and are being offered 
When configuring your Gmail account in Outlook (or other mail clients such as Thunderbird and Mail apps on (older) smartphones), you may run into continuous password prompts or sync errors.
