Edit review

Author: v-phoebh

support/power-platform/dataverse/d365-app-outlook/dynamics-app-for-outlook-authentication-pop-up-blank-cannot-proceed.md

@@ -1,5 +1,5 @@
 ---
-title: Dynamics 365 App for Outlook Authentication pop-up is blank
+title: Dynamics 365 App for Outlook Authentication Pop-Up Is Blank
 description: Solves the issue that the authentication pop-up is blank and you can't sign in to Dynamics 365 App for Outlook.
 ms.reviewer: mkelan
 ms.author: smurkute
@@ -9,11 +9,11 @@ ms.custom: sap:Dynamics 365 App for Outlook Add-In
 ---
 # App for Outlook authentication pop-up is blank and unable to sign in
 
-The article solves an issue where you can't sign in to Dynamics 365 App for Outlook successfully due to a blank authentication pop-up.
+The article solves an issue where you can't sign in to Microsoft Dynamics 365 App for Outlook successfully due to a blank authentication pop-up.
 
 ## Symptoms
 
-When you open the [Dynamics 365 App for Outlook](/dynamics365/outlook-app/overview), it prompts you to allow an authentication pop-up. After allowing, the pop-up opens. However, it is blank and prevents you from selecting an account to authenticate and sign in.
+When you open [Dynamics 365 App for Outlook](/dynamics365/outlook-app/overview), it prompts you to allow an authentication pop-up. After you allow it, the pop-up opens. However, it's blank and prevents you from selecting an account to authenticate and sign in.
 
 ## Cause
 
@@ -23,44 +23,42 @@ This behavior is due to a recent regression that has been mitigated. However, us
 
 > [!NOTE]
 >
-> - If you're using Outlook on the web (OWA) or classic Outlook desktop app on Windows, follow the steps 1-3 to solve ths issue.  
-> - If you're using [the new Outlook for Windows](https://support.microsoft.com/office/switch-to-new-outlook-for-windows-f5fb9e26-af7c-4976-9274-61c6428344e7) or Outlook on Mac, first follow the steps [here](#open-developer-tools-in-new-outlook-for-windows-and-outlook-on-mac) to open the Developer Tools and then follow the steps 1 to 3 to resolve the issue.
+> - If you're using Outlook on the web (OWA) or the classic Outlook desktop app on Windows, follow steps 1 to 3 to solve the issue.  
+> - If you're using [the new Outlook for Windows](https://support.microsoft.com/office/switch-to-new-outlook-for-windows-f5fb9e26-af7c-4976-9274-61c6428344e7) or Outlook on Mac, follow [these steps](#open-the-developer-tools-in-the-new-outlook-for-windows-and-outlook-on-mac) to open the Developer Tools, and then follow steps 1 to 3 to resolve the issue.
 
 ### Step 1: Clear local storage and session storage from the add-in
 
-1. Open classic Outlook desktop app or Outlook on the web (OWA).
-2. Open the **Dynamics 365 App for Outlook**.
-3. Right-click anywhere inside the add-in and select **Inspect**.
-4. The **Developer Tools** window will open.
-5. Select the **Application** tab.
-6. Under **Storage**, select **Local Storage** and delete all stored data.
-7. Select **Session Storage** and delete all stored data.
-8. Close the **Developer Tools** window.
-
-### Step 2: Clear local storage and session storage from the authentication window
-
-1. Re-open the **Dynamics 365 App for Outlook**.
-2. If the authentication window appears, right-click inside it and select **Inspect**.
-3. The **Developer Tools** window will open.
+1. Open the classic Outlook desktop app or OWA.
+2. Open **Dynamics 365 App for Outlook**.
+3. Right-click anywhere inside the add-in and select **Inspect**. The **Developer Tools** window will open.
 4. Select the **Application** tab.
 5. Under **Storage**, select **Local Storage** and delete all stored data.
 6. Select **Session Storage** and delete all stored data.
-7. Close the authentication window.
-
-### Step 3: Re-open the add-in and complete authorization
-
-1. Close and re-open Outlook.
-2. Open the **Dynamics 365 App for Outlook**.
+7. Close the **Developer Tools** window.
+
+### Step 2: Clear local storage and session storage from the authentication window
+
+1. Reopen **Dynamics 365 App for Outlook**.
+2. If the authentication window appears, right-click inside it and select **Inspect**. The **Developer Tools** window will open.
+3. Select the **Application** tab.
+4. Under **Storage**, select **Local Storage** and delete all stored data.
+5. Select **Session Storage** and delete all stored data.
+6. Close the authentication window.
+
+### Step 3: Reopen the add-in and complete authorization
+
+1. Close and reopen Outlook.
+2. Open **Dynamics 365 App for Outlook**.
 3. If prompted, sign in with your credentials.
 4. Complete the authentication process.
 
-### Open Developer Tools in new Outlook for Windows and Outlook on Mac
+### Open the Developer Tools in the new Outlook for Windows and Outlook on Mac
 
 - For the new Outlook for Windows:
 
   1. Ensure Outlook is fully closed in Task Manager.
-  2. Select <kbd>WIN</kbd>+<kbd>R</kbd> and then run the `olk.exe –devtools` command to open Outlook with the Developer Tools.
+  2. Select <kbd>WIN</kbd>+<kbd>R</kbd>, and then run the `olk.exe –devtools` command to open Outlook with the Developer Tools.
 
 - For Outlook on Mac:
 
-  To open the Developer Tools, see [Debug Office Add-ins on a Mac - Office Add-ins](/office/dev/add-ins/testing/debug-office-add-ins-on-ipad-and-mac#debugging-with-safari-web-inspector-on-a-mac).
+  To open the Developer Tools, see [Debug Office Add-ins on a Mac](/office/dev/add-ins/testing/debug-office-add-ins-on-ipad-and-mac#debugging-with-safari-web-inspector-on-a-mac).