[All hosts] Update links to the Microsoft 365 Insider Program (#5078)

Author: samantharamon

docs/develop/enable-nested-app-authentication-in-your-add-in.md

@@ -27,7 +27,7 @@ NAA supports both Microsoft Accounts and Microsoft Entra ID (work/school) identi
 | Word        | In preview | In preview                                           | In preview | In preview on iPad | Not applicable |
 
 > [!IMPORTANT]
-> To use NAA on platforms that are still in preview (Word, Excel, and PowerPoint), join the Microsoft 365 Insider Program (https://insider.microsoft365.com/join) and choose **Current Channel (Preview)**. Don't use NAA in production add-ins for any preview platforms. We invite you to try out NAA in test or development environments and welcome feedback on your experience through GitHub (see the **Feedback** section at the end of this page).
+> To use NAA on platforms that are still in preview (Word, Excel, and PowerPoint), join the [Microsoft 365 Insider Program](https://aka.ms/MSFT365InsiderProgram) and choose **Current Channel (Preview)**. Don't use NAA in production add-ins for any preview platforms. We invite you to try out NAA in test or development environments and welcome feedback on your experience through GitHub (see the **Feedback** section at the end of this page).
 
 ## Register your single-page application
 

docs/includes/excel-shared-runtime-preview-note.md

@@ -1,3 +1,3 @@
 > [!IMPORTANT]
-> The features described in this article are currently in preview and subject to change. They are not currently supported for use in production environments. To try the preview features, you will need to [join the Microsoft 365 Insider program](https://insider.microsoft365.com/join).
+> The features described in this article are currently in preview and subject to change. They are not currently supported for use in production environments. To try the preview features, you will need to [join the Microsoft 365 Insider program](https://aka.ms/MSFT365InsiderProgram).
 > A good way to try out preview features is by using a Microsoft 365 subscription. If you don't already have a Microsoft 365 subscription, you might qualify for a Microsoft 365 E5 developer subscription through the [Microsoft 365 Developer Program](https://aka.ms/m365devprogram); for details, see the [FAQ](/office/developer-program/microsoft-365-developer-program-faq#who-qualifies-for-a-microsoft-365-e5-developer-subscription-). Alternatively, you can [sign up for a 1-month free trial](https://www.microsoft.com/microsoft-365/try) or [purchase a Microsoft 365 plan](https://www.microsoft.com/microsoft-365/business/compare-all-microsoft-365-business-products-g).

docs/includes/use-legacy-edge-or-ie.md

@@ -1,7 +1,7 @@
 If your project is Node.js-based (that is, not developed with Visual Studio and Internet Information server (IIS)), you can force Office on Windows to use either the EdgeHTML webview control that is provided by Edge Legacy or the Trident webview control that is provided by Internet Explorer to run add-ins, even if you have a combination of Windows and Office versions that would normally use a more recent webview. For more information about which browsers and webviews are used by various combinations of Windows and Office versions, see [Browsers and webview controls used by Office Add-ins](../concepts/browsers-used-by-office-web-add-ins.md).
 
 > [!NOTE]
-> The tool that's used to force the change in webview is supported only in the Beta subscription channel of Microsoft 365. Join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/Windows) and select the **Beta Channel** option to access Office Beta builds. See also [About Office: What version of Office am I using?](https://support.microsoft.com/office/932788b8-a3ce-44bf-bb09-e334518b8b19).
+> The tool that's used to force the change in webview is supported only in the Beta subscription channel of Microsoft 365. Join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-windows/4206638) and select the **Beta Channel** option to access Office Beta builds. See also [About Office: What version of Office am I using?](https://support.microsoft.com/office/932788b8-a3ce-44bf-bb09-e334518b8b19).
 >
 > Strictly, it's the `webview` switch of this tool (see **Step 2**) that requires the Beta channel. The tool has other switches that don't have this requirement.
 

docs/includes/using-preview-apis-host.md

@@ -4,4 +4,4 @@
 > To use preview APIs:
 >
 > - You must use the preview version of the Office JavaScript API library from the [Office.js content delivery network (CDN)](https://appsforoffice.microsoft.com/lib/beta/hosted/office.js). The [type definition file](https://appsforoffice.microsoft.com/lib/beta/hosted/office.d.ts) for TypeScript compilation and IntelliSense is found at the CDN and [DefinitelyTyped](https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/master/types/office-js-preview/index.d.ts). You can install these types with `npm install --save-dev @types/office-js-preview`.
-> - You may need to join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join) for access to more recent Office builds.
+> - You may need to join the [Microsoft 365 Insider program](https://aka.ms/MSFT365InsiderProgram) for access to more recent Office builds.

docs/outlook/autolaunch.md

@@ -45,7 +45,7 @@ The following table lists events that are currently available and the supported
 >
 > <sup>2</sup> Outlook on mobile supports APIs up to Mailbox requirement set 1.5. However, support is now enabled for additional APIs and features introduced in later requirement sets, such as the `OnNewMessageCompose` event. To learn more, see [Implement event-based activation in Outlook mobile add-ins](mobile-event-based.md).
 >
-> <sup>3</sup> To preview the `OnMessageReadWithCustomAttachment` and `OnMessageReadWithCustomHeader` events, you must install classic Outlook on Windows Version 2312 (Build 17110.10000) or later. Then, join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/Windows) and select the **Beta Channel** option to access Office beta builds.
+> <sup>3</sup> To preview the `OnMessageReadWithCustomAttachment` and `OnMessageReadWithCustomHeader` events, you must install classic Outlook on Windows Version 2312 (Build 17110.10000) or later. Then, join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-windows/4206638) and select the **Beta Channel** option to access Office beta builds.
 
 ## Troubleshoot your add-in
 

docs/outlook/item-multi-select.md

@@ -258,7 +258,7 @@ Now that you've registered an event handler, your add-in can now get properties
 The following example implements the `getSelectedItemsAsync` and `loadItemByIdAsync` methods to get the subject line and sender's email address from each selected message.
 
 > [!NOTE]
-> The `loadItemByIdAsync` method is currently in preview in classic Outlook on Windows. To preview this API, install Version 2405 (Build 17606.10000) or later. Then, join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/Windows) and select the **Beta Channel** option.
+> The `loadItemByIdAsync` method is currently in preview in classic Outlook on Windows. To preview this API, install Version 2405 (Build 17606.10000) or later. Then, join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-windows/4206638) and select the **Beta Channel** option.
 
 1. In **taskpane.js**, replace the existing `run` function with the following code.
 

docs/outlook/onmessagesend-onappointmentsend-events.md

@@ -244,7 +244,7 @@ In Outlook on the web and in new Outlook on Windows:
 > [!NOTE]
 > Support for Markdown in a Smart Alerts dialog is currently in preview in Outlook on the web and on Windows (new and classic). Features in preview shouldn't be used in production add-ins. We invite you to try out this feature in test or development environments and welcome feedback on your experience through GitHub (see the Feedback section at the end of this page).
 >
-> To test this feature in classic Outlook on Windows, you must install Version 2403 (Build 17330.10000) or later. Then, join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/windows) and select the **Beta Channel** option in your Outlook client to access Office beta builds.
+> To test this feature in classic Outlook on Windows, you must install Version 2403 (Build 17330.10000) or later. Then, join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-windows/4206638) and select the **Beta Channel** option in your Outlook client to access Office beta builds.
 
 You can use Markdown to format the message of a Smart Alerts dialog. However, only the following elements are supported.
 

docs/outlook/smart-alerts-onmessagesend-walkthrough.md

@@ -228,7 +228,7 @@ In this scenario, you'll add handling for sending a message. Your add-in will ch
 > [!NOTE]
 > The event handler in this walkthrough implements the [errorMessageMarkdown](/javascript/api/outlook/office.smartalertseventcompletedoptions?view=outlook-js-preview&preserve-view=true#outlook-office-smartalertseventcompletedoptions-errormessagemarkdown-member) property. This property is currently in preview in Outlook on the web and on Windows (new and classic). Features in preview shouldn't be used in production add-ins. We invite you to try out this feature in test or development environments and welcome feedback on your experience through GitHub (see the Feedback section at the end of this page).
 >
-> To test this feature in classic Outlook on Windows, you must install Version 2403 (Build 17330.10000) or later. Then, join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/windows) and select the **Beta Channel** option in your Outlook client to access Office beta builds.
+> To test this feature in classic Outlook on Windows, you must install Version 2403 (Build 17330.10000) or later. Then, join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-windows/4206638) and select the **Beta Channel** option in your Outlook client to access Office beta builds.
 
 1. From the same quick start project, create a new folder named **launchevent** under the **./src** directory.
 

docs/outlook/spam-reporting.md

@@ -37,7 +37,7 @@ The following table identifies which Outlook clients support the integrated spam
 
 ## Preview the integrated spam-reporting feature in Outlook on Mac
 
-To preview the integrated spam-reporting feature in Outlook on Mac, you must install Version 16.81.1217.0 or later. Then, join the [Microsoft 365 Insider program](https://insider.microsoft365.com/join/Mac) and select the **Beta Channel** option to access Office beta builds.
+To preview the integrated spam-reporting feature in Outlook on Mac, you must install Version 16.81.1217.0 or later. Then, join the [Microsoft 365 Insider program](https://techcommunity.microsoft.com/blog/microsoft365insiderblog/join-the-microsoft-365-insider-program-on-macos/4206727) and select the **Beta Channel** option to access Office beta builds.
 
 ## Set up your environment
 

docs/overview/explore-with-script-lab.md

@@ -43,7 +43,7 @@ In addition to JavaScript or TypeScript code that calls the Office JS API, each
 
 #### Preview APIs
 
-To call preview APIs within a snippet, you need to update the snippet's libraries to use the beta content delivery network (CDN) (`https://appsforoffice.microsoft.com/lib/beta/hosted/office.js`) and the preview type definitions `@types/office-js-preview`. Additionally, some preview APIs are only accessible if you've signed up for the [Microsoft 365 Insider program](https://insider.microsoft365.com) and are running an Insider build of Office.
+To call preview APIs within a snippet, you need to update the snippet's libraries to use the beta content delivery network (CDN) (`https://appsforoffice.microsoft.com/lib/beta/hosted/office.js`) and the preview type definitions `@types/office-js-preview`. Additionally, some preview APIs are only accessible if you've signed up for the [Microsoft 365 Insider program](https://aka.ms/MSFT365InsiderProgram) and are running an Insider build of Office.
 
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