Update

Author: Simonx Xu

Outlook/classic-outlook-for-windows/calendaring/Resolve-free-busy-errors.md

@@ -705,7 +705,7 @@ To fix the issue, follow these steps:
 
 1. Reset the cloud user's password. Choose either the same or a different password.
 
-2. Update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain, and then revert the UPN to its former value. For example, if the UPN of the cloud user is `[email protected]`, change it to the temporary UPN, `[email protected]`, and then revert the UPN to `[email protected]`. To do this, use either [Azure AD PowerShell](/powershell/module/azuread) or the [MSOL service](/powershell/azure/active-directory/install-msonlinev1).
+2. Update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain, and then revert the UPN to its former value. For example, if the UPN of the cloud user is `[email protected]`, change it to the temporary UPN, `[email protected]`, and then revert the UPN to `[email protected]`. To do this, use either [Azure AD PowerShell](/powershell/module/azuread) or the MSOL service.
 
    - **Use Azure AD PowerShell**
 
@@ -822,7 +822,7 @@ Select the resolution that matches the error message.
 
 **Resolution for error message 1**
 
-To fix the issue, use either [Azure AD PowerShell](/powershell/module/azuread) or the [MSOL service](/powershell/azure/active-directory/install-msonlinev1).
+To fix the issue, use either [Azure AD PowerShell](/powershell/module/azuread) or the MSOL service.
 
 - **Use Azure AD PowerShell**
 
@@ -876,7 +876,7 @@ This error can occur if there's an inconsistency in the configuration of federat
 > [!NOTE]
 > If the issue affects most or all cloud users in your organization, contact [Microsoft Support](https://support.microsoft.com/).
 
-To fix the issue, update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain then switch it back to its former value (federated domain). For example, if the UPN of the cloud user is `[email protected]`, switch it to the temporary UPN `[email protected]` and then back to `[email protected]`. To do this, use either of the following approaches ([Azure AD PowerShell](/powershell/module/azuread) or [MSOL service](/powershell/azure/active-directory/install-msonlinev1)):
+To fix the issue, update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain then switch it back to its former value (federated domain). For example, if the UPN of the cloud user is `[email protected]`, switch it to the temporary UPN `[email protected]` and then back to `[email protected]`. To do this, use either of the following approaches ([Azure AD PowerShell](/powershell/module/azuread) or MSOL service):
 
 - **Use Azure AD PowerShell**
 
@@ -1008,7 +1008,7 @@ The error might occur for either of the following reasons:
 
 After you complete each step, check whether the free/busy issue is fixed.
 
-1. Update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain, and then revert the UPN to its former value. For example, if the UPN of the cloud user is `[email protected]`, change it to the temporary UPN, `[email protected]`; and then revert the UPN to `[email protected]`. To do this, use either of the following methods ([Azure AD PowerShell](/powershell/module/azuread) or [MSOL service](/powershell/azure/active-directory/install-msonlinev1)):
+1. Update the user principal name (UPN) of the cloud user to use the `onmicrosoft.com` domain, and then revert the UPN to its former value. For example, if the UPN of the cloud user is `[email protected]`, change it to the temporary UPN, `[email protected]`; and then revert the UPN to `[email protected]`. To do this, use either of the following methods ([Azure AD PowerShell](/powershell/module/azuread) or MSOL service):
 
    - **Use Azure AD PowerShell**
 
@@ -1285,7 +1285,7 @@ To fix the issue, use the following steps:
 
       The command output contains the `Thumbprint` value.
 
-   2. Run the following PowerShell cmdlets to get the Exchange Online OAuth certificate by using the [MSOL service](/powershell/azure/active-directory/install-msonlinev1):
+   2. Run the following PowerShell cmdlets to get the Exchange Online OAuth certificate by using the MSOL service:
 
       ```PowerShell
       Connect-MsolService
@@ -1501,7 +1501,7 @@ After you complete each step, check whether the free/busy issue is fixed.
 
 1. Make sure that Autodiscover for the affected user returns the Exchange Web Services (EWS) URL for the user.
 
-2. Run the [email autoconfiguration test](https://answers.microsoft.com/en-us/msoffice/forum/all/mailboxes-test-e-mail-autoconfiguration/19f9c90a-4640-46c4-a574-dbec29bdb8ba) in the affected user's Outlook client to make sure that Autodiscover returns the EWS URL for the user.
+2. Run the email autoconfiguration test in the affected user's Outlook client to make sure that Autodiscover returns the EWS URL for the user.
 
 3. Make sure that free/busy works between on-premises users who are hosted on different Exchange servers.
 

Outlook/classic-outlook-for-windows/email-management/emails-that-you-forward-not-saved-in-sent-items.md

@@ -96,7 +96,7 @@ The default Group Policy template files for Outlook 2010 contain the policy sett
 
 1. Download the following file from the Microsoft Download Center:
 
-    [Office 2010 Administrative Template files (ADM, ADMX/ADML) and Office Customization Tool download](https://www.microsoft.com/download/details.aspx?id=18968)
+    [Office 2010 Administrative Template files (ADM, ADMX/ADML) and Office Customization Tool download](https://www.microsoft.com/download/details.aspx?id=49030)
 
 2. Add the Outlk14.adm file to the Group Policy Management Console.
 

Outlook/classic-outlook-for-windows/performance/outlook-may-be-slower-to-resolve-names.md

@@ -49,7 +49,7 @@ To resolve this problem, download the Offline Address Book using the following s
 
 See the following article if you are unable to download the OAB.
 
-[HTTP version of the Outlook Offline Address Book (OAB) does not download](https://support.microsoft.com/help/2619347)
+[HTTP version of the Outlook Offline Address Book (OAB) does not download](../data-files/http-version-of-offline-address-book-fails-to-download.md)
 
 > [!NOTE]
 > If the OAB does not automatically download and you have to manually download the OAB each time (using the above steps), check for the existence of the DownloadOAB value in the registry. The following article provides complete details on this registry value.

Outlook/classic-outlook-for-windows/performance/outlook-support-diagnostic.md

@@ -44,7 +44,7 @@ On the **Data Collection Options** page, you are prompted to select either **Ful
 > .NET Framework 4.5 (or later) is required by the Microsoft Office Configuration Analyzer Tool 2.0 which is the main diagnostic engine utilized by this support diagnostic package.
 
 > [!NOTE]
-> If Microsoft Office Configuration Analyzer Tool (OffCAT) 2.0 is not installed when you run this support diagnostic package, you will be prompted to keep or uninstall it when the support diagnostic package has finished running. For more information about the OffCAT tool, see [Office Configuration Analyzer Tool (OffCAT) information](https://support.microsoft.com/help/2812744).
+> If Microsoft Office Configuration Analyzer Tool (OffCAT) 2.0 is not installed when you run this support diagnostic package, you will be prompted to keep or uninstall it when the support diagnostic package has finished running. For more information about the OffCAT tool, see [Office Configuration Analyzer Tool (OffCAT) information](https://techcommunity.microsoft.com/blog/exchange/released-office-configuration-analyzer-tool-offcat/595161).
 
 ## More information
 
@@ -112,7 +112,7 @@ BitsAdmin log and registry data that is related to BITS
 
 Log file from the CalCheck tool.
 
-For more information about the CalCheck tool, see [Information about the Calendar Checking Tool for Outlook (CalCheck)](https://support.microsoft.com/help/2678030).
+For more information about the CalCheck tool, see [Information about the Calendar Checking Tool for Outlook (CalCheck)](../calendaring/calendar-checking-tool-for-outlook.md).
 
 |Description|File name|
 |---|---|
@@ -244,7 +244,7 @@ If "Identity" logging has been enabled, the diagnostic will collect the logs gen
 
 ### Office Configuration Analyzer Tool (OffCAT) result files
 
-For more information about the OffCAT tool, see [Office Configuration Analyzer Tool (OffCAT) information](https://support.microsoft.com/help/2812744).
+For more information about the OffCAT tool, see [Office Configuration Analyzer Tool (OffCAT) information](https://techcommunity.microsoft.com/blog/exchange/released-office-configuration-analyzer-tool-offcat/595161).
 
 |Description|File name|
 |---|---|
@@ -339,4 +339,4 @@ Zip file containing one or more files you elected to upload to Microsoft.
 
 ## References
 
-[Information about Microsoft Automated Troubleshooting Services and Support Diagnostic Platform](https://support.microsoft.com/help/2598970)
+[Information about Microsoft Automated Troubleshooting Services and Support Diagnostic Platform](https://support.microsoft.com/windows/0c5ac9a2-1600-4539-b9d0-069e71f9040a)