[all hosts] Update dev program messaging (#4401)

* [all hosts] Update dev program messaging

* Fix build suggestions

* Update link based on feedback

* Updates based on feedback

* Update vanity link; updates based on feedback

Author: ElizabethSamuel-MSFT

Diff for: docs/concepts/add-in-development-best-practices.md

@@ -136,4 +136,4 @@ See [Support older Microsoft webviews and Office versions](../develop/support-ie
 ## See also
 
 - [Office Add-ins platform overview](../overview/office-add-ins.md)
-- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)

Diff for: docs/develop/automatically-open-a-task-pane-with-a-document.md

@@ -155,10 +155,10 @@ You can deploy a test version of your add-in that will automatically open a task
 </we:webextension>
 ```
 
-You can test the previous example by using your Microsoft 365 subscription to try out Centralized Deployment and verify that your add-in works as expected. If you don't already have a Microsoft 365 subscription, you can get a free, 90-day renewable Microsoft 365 subscription by joining the [Microsoft 365 developer program](https://aka.ms/M365devprogram).
+You can test the previous example by using your Microsoft 365 subscription to try out Centralized Deployment and verify that your add-in works as expected. 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).
 
 ## See also
 
 - For a sample that shows you how to use the autoopen feature, see [Auto-open a task pane with a document](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/office-add-in-commands/auto-open-task-pane).
 - [Automatically open a task pane when an add-in is installed](automatically-open-on-installation.md)
-- [Join the Microsoft 365 developer program.](/office/developer-program/office-365-developer-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)

Diff for: docs/develop/create-sso-office-add-ins-aspnet.md

@@ -24,7 +24,7 @@ The sample uses SSO and the On-Behalf-Of (OBO) flow to obtain correct access tok
 
 - At least a few files and folders stored on OneDrive for Business in your Microsoft 365 subscription.
 
-- A build of Microsoft 365 that supports the [IdentityAPI 1.3 requirement set](/javascript/api/requirement-sets/common/identity-api-requirement-sets). You can get a [free developer sandbox](https://developer.microsoft.com/microsoft-365/dev-program#Subscription) that provides a renewable 90-day Microsoft 365 E5 developer subscription. The developer sandbox includes a Microsoft Azure subscription that you can use for app registrations in later steps in this article. If you prefer, you can use a separate Microsoft Azure subscription for app registrations. Get a trial subscription at [Microsoft Azure](https://account.windowsazure.com/SignUp).
+- A build of Microsoft 365 that supports the [IdentityAPI 1.3 requirement set](/javascript/api/requirement-sets/common/identity-api-requirement-sets). You might qualify for a Microsoft 365 E5 developer subscription, which includes a developer sandbox, 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-). The [developer sandbox](https://developer.microsoft.com/microsoft-365/dev-program#Subscription) includes a Microsoft Azure subscription that you can use for app registrations in later steps in this article. If you prefer, you can use a separate Microsoft Azure subscription for app registrations. Get a trial subscription at [Microsoft Azure](https://account.windowsazure.com/SignUp).
 
 ## Set up the starter project
 

Diff for: docs/develop/create-sso-office-add-ins-nodejs.md

@@ -23,7 +23,7 @@ This article works with an add-in that uses Node.js and Express. For a similar a
 
 - At least a few files and folders stored on OneDrive for Business in your Microsoft 365 subscription
 
-- A build of Microsoft 365 that supports the [IdentityAPI 1.3 requirement set](/javascript/api/requirement-sets/common/identity-api-requirement-sets). You can get a [free developer sandbox](https://developer.microsoft.com/microsoft-365/dev-program#Subscription) that provides a renewable 90-day Microsoft 365 E5 developer subscription. The developer sandbox includes a Microsoft Azure subscription that you can use for app registrations in later steps in this article. If you prefer, you can use a separate Microsoft Azure subscription for app registrations. Get a trial subscription at [Microsoft Azure](https://account.windowsazure.com/SignUp).
+- A build of Microsoft 365 that supports the [IdentityAPI 1.3 requirement set](/javascript/api/requirement-sets/common/identity-api-requirement-sets). You might qualify for a Microsoft 365 E5 developer subscription, which includes a developer sandbox, 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-). The [developer sandbox](https://developer.microsoft.com/microsoft-365/dev-program#Subscription) includes a Microsoft Azure subscription that you can use for app registrations in later steps in this article. If you prefer, you can use a separate Microsoft Azure subscription for app registrations. Get a trial subscription at [Microsoft Azure](https://account.windowsazure.com/SignUp).
 
 ## Set up the starter project
 

Diff for: docs/develop/develop-overview.md

@@ -124,7 +124,7 @@ Learn more about developing, testing, and publishing Office Add-ins by exploring
 ## See also
 
 - [Office Add-ins platform overview](../overview/office-add-ins.md)
-- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)
 - [Design Office Add-ins](../design/add-in-design.md)
 - [Test and debug Office Add-ins](../testing/test-debug-office-add-ins.md)
 - [Publish Office Add-ins](../publish/publish.md)

Diff for: docs/develop/grant-admin-consent-to-an-add-in.md

@@ -21,4 +21,4 @@ Carry out this procedure *after* you have [registered the add-in](../develop/reg
 1. On the **$ADD-IN-NAME$** page, select **API permissions** then, under the **Configured permissions** section, choose **Grant admin consent for [tenant name]**. Select **Yes** for the confirmation that appears.
 
 > [!NOTE]
-> We recommend this procedure as a best practice if you're using a [Microsoft 365 developer account](https://developer.microsoft.com/microsoft-365/dev-program). However, if you prefer, it's possible to sideload an SSO add-in under development and prompt the user with a consent form. For more information, see [Sideload on Windows](../testing/create-a-network-shared-folder-catalog-for-task-pane-and-content-add-ins.md) and [Sideload on Office on the web](../testing/sideload-office-add-ins-for-testing.md).
+> We recommend this procedure as a best practice if you're using a [Microsoft 365 developer account](https://aka.ms/m365devprogram). However, if you prefer, it's possible to sideload an SSO add-in under development and prompt the user with a consent form. For more information, see [Sideload on Windows](../testing/create-a-network-shared-folder-catalog-for-task-pane-and-content-add-ins.md) and [Sideload on Office on the web](../testing/sideload-office-add-ins-for-testing.md).

Diff for: docs/excel/custom-functions-overview.md

@@ -90,7 +90,7 @@ Another easy way to try out custom functions is to use [Script Lab](https://apps
 
 ## See also
 
-- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)
 - [Custom functions requirement sets](/javascript/api/requirement-sets/excel/custom-functions-requirement-sets)
 - [Custom functions naming guidelines](custom-functions-naming.md)
 - [Make your custom functions compatible with XLL user-defined functions](make-custom-functions-compatible-with-xll-udf.md)

Diff for: docs/excel/excel-add-ins-overview.md

@@ -104,7 +104,7 @@ Get started by [creating your first Excel add-in](../quickstarts/excel-quickstar
 ## See also
 
 - [Office Add-ins platform overview](../overview/office-add-ins.md)
-- [Learn about Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about Microsoft 365 Developer Program](/office/developer-program/microsoft-365-developer-program-faq#who-qualifies-for-a-microsoft-365-e5-developer-subscription-)
 - [Developing Office Add-ins](../develop/develop-overview.md)
 - [Excel JavaScript object model in Office Add-ins](excel-add-ins-core-concepts.md)
 - [Excel JavaScript API reference](../reference/overview/excel-add-ins-reference-overview.md)

Diff for: 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).
-> 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 can get one by joining the [Microsoft 365 developer program](https://aka.ms/M365devprogram).
+> 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).

Diff for: docs/includes/grant-admin-consent-to-an-add-in-include.md

@@ -13,4 +13,4 @@ Carry out this procedure *after* you have [registered the add-in](../develop/reg
 1. On the **$ADD-IN-NAME$** page, select **API permissions** then, under the **Configured permissions** section, choose **Grant admin consent for [tenant name]**. Select **Yes** for the confirmation that appears.
 
 > [!NOTE]
-> We recommend this procedure as a best practice if you're using a [Microsoft 365 developer account](https://developer.microsoft.com/microsoft-365/dev-program). However, if you prefer, it is possible to sideload an SSO add-in under development and prompt the user with a consent form. For more information, see [Sideload on Windows](../testing/create-a-network-shared-folder-catalog-for-task-pane-and-content-add-ins.md) and [Sideload on Office on the web](../testing/sideload-office-add-ins-for-testing.md).
+> We recommend this procedure as a best practice if you're using a [Microsoft 365 developer account](https://aka.ms/m365devprogram). However, if you prefer, it is possible to sideload an SSO add-in under development and prompt the user with a consent form. For more information, see [Sideload on Windows](../testing/create-a-network-shared-folder-catalog-for-task-pane-and-content-add-ins.md) and [Sideload on Office on the web](../testing/sideload-office-add-ins-for-testing.md).

Diff for: docs/includes/modern-js-note.md

@@ -1,2 +1,2 @@
 > [!NOTE]
-> The following code uses ES6 JavaScript, which is not compatible with [older versions of Office that use the Trident (Internet Explorer 11) browser engine](/office/dev/add-ins/concepts/browsers-used-by-office-web-add-ins). For information on how to support those platforms in production, see [Support older Microsoft webviews and Office versions](/office/dev/add-ins/develop/support-ie-11). [Join the Microsoft 365 developer program](https://developer.microsoft.com/office/dev-program) to get a free, 90-day renewable Microsoft 365 subscription, with the latest Office applications, to use during development.
+> The following code uses ES6 JavaScript, which isn't compatible with [older versions of Office that use the Trident (Internet Explorer 11) browser engine](/office/dev/add-ins/concepts/browsers-used-by-office-web-add-ins). For information on how to support those platforms in production, see [Support older Microsoft webviews and Office versions](/office/dev/add-ins/develop/support-ie-11). If you don't already have a Microsoft 365 subscription to use for development, 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).

Diff for: docs/includes/quickstart-troubleshooting.md

@@ -4,4 +4,4 @@ Ensure your environment is ready for Office development by following the instruc
 
 The automatic `npm install` step yo office performs may fail. If you see errors when trying to run `npm start`, navigate to the newly created project folder in a command prompt and manually run `npm install`. For more information about yo office, see [Create Office Add-in projects using the Yeoman Generator](../develop/yeoman-generator-overview.md).
 
-Some of the sample code uses ES6 JavaScript. This isn't compatible with [older versions of Office that use the Trident (Internet Explorer 11) browser engine](/office/dev/add-ins/concepts/browsers-used-by-office-web-add-ins). For information on how to support those platforms in your add-in, see [Support older Microsoft webviews and Office versions](/office/dev/add-ins/develop/support-ie-11). [Join the Microsoft 365 developer program](https://developer.microsoft.com/office/dev-program) to get a free, 90-day renewable Microsoft 365 subscription, with the latest Office applications, to use during development.
+Some of the sample code uses ES6 JavaScript. This isn't compatible with [older versions of Office that use the Trident (Internet Explorer 11) browser engine](/office/dev/add-ins/concepts/browsers-used-by-office-web-add-ins). For information on how to support those platforms in your add-in, see [Support older Microsoft webviews and Office versions](/office/dev/add-ins/develop/support-ie-11). If you don't already have a Microsoft 365 subscription to use for development, 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).

Diff for: docs/includes/quickstart-yo-prerequisites.md

@@ -11,4 +11,4 @@
 - Office connected to a Microsoft 365 subscription (including Office on the web).
 
   > [!NOTE]
-  > If you don't already have Office, you can [join the Microsoft 365 developer program](https://aka.ms/M365devprogram) to get a free, 90-day renewable Microsoft 365 subscription to use during development.
+  > If you don't already have Office, 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).

Diff for: docs/onenote/onenote-add-ins-programming-overview.md

@@ -125,7 +125,7 @@ The following diagram represents what's currently available in the OneNote JavaS
 ## See also
 
 - [Developing Office Add-ins](../develop/develop-overview.md)
-- [Learn about Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about Microsoft 365 Developer Program](/office/developer-program/microsoft-365-developer-program-faq#who-qualifies-for-a-microsoft-365-e5-developer-subscription-)
 - [Build your first OneNote add-in](../quickstarts/onenote-quickstart.md)
 - [OneNote JavaScript API reference](../reference/overview/onenote-add-ins-javascript-reference.md)
 - [Rubric Grader sample](https://github.com/OfficeDev/OneNote-Add-in-Rubric-Grader)

Diff for: docs/outlook/outlook-add-ins-overview.md

@@ -77,7 +77,7 @@ To get started building Outlook add-ins, try the following:
 
 ## See also
 
-- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)
 - [Best practices for developing Office Add-ins](../concepts/add-in-development-best-practices.md)
 - [Design guidelines for Office Add-ins](../design/add-in-design.md)
 - [License your Office and SharePoint Add-ins](/office/dev/store/license-your-add-ins)

Diff for: docs/outlook/sensitivity-label.md

@@ -21,7 +21,7 @@ You can use the Office JavaScript API to implement sensitivity label solutions i
 
 ## Prerequisites
 
-To implement the sensitivity label feature in your add-in, you must have a Microsoft 365 E5 subscription. For access to a free developer sandbox that includes a renewable E5 subscription, join the [Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program#Subscription).
+To implement the sensitivity label feature in your add-in, you must have a Microsoft 365 E5 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).
 
 ### Supported clients and platforms
 

Diff for: docs/overview/learning-path-beginner.md

@@ -70,4 +70,4 @@ Congratulations on finishing the beginner's learning path for Office Add-ins! He
   - [Test and debug Office Add-ins](../testing/test-debug-office-add-ins.md)
   - [Deploy and publish Office Add-ins](../publish/publish.md)
   - [Resources](../resources/resources-links-help.md)
-  - [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+  - [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)

Diff for: docs/overview/learning-path-transition.md

@@ -84,4 +84,4 @@ Congratulations on finishing the VSTO add-in developer's learning path for Offic
   - [Test and debug Office Add-ins](../testing/test-debug-office-add-ins.md)
   - [Deploy and publish Office Add-ins](../publish/publish.md)
   - [Resources](../resources/resources-links-help.md)
-  - [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+  - [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)

Diff for: docs/overview/office-add-ins.md

@@ -127,4 +127,4 @@ For a more detailed introduction to developing Office Add-ins, see [Develop Offi
 - [Design Office Add-ins](../design/add-in-design.md)
 - [Test and debug Office Add-ins](../testing/test-debug-office-add-ins.md)
 - [Publish Office Add-ins](../publish/publish.md)
-- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Learn about the Microsoft 365 Developer Program](https://aka.ms/m365devprogram)