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To uninstall the existing Exchange Management modules and install the latest one, follow these steps:

Uninstall the Existing Exchange Management Module

1. Open PowerShell as Administrator:

• Press Win + X, then select Windows PowerShell (Admin).

1. List Installed Exchange Management Modules:

• Run the following command to see the currently installed Exchange management modules:
  powershell Get-Module -ListAvailable | Where-Object { $_.Name -like "*Exchange*" }

1. Uninstall Exchange Management Tools:

• If you have older versions of the Exchange Online Management or Exchange Management Shell, uninstall them using:
  powershell Uninstall-Module -Name ExchangeOnlineManagement -AllVersions -Force
  Alternatively, if they are listed in Programs and Features, you can uninstall them from there.

Install the Latest Exchange Online Management Module

1. Install the Latest Exchange Online Management Module:

• Ensure you have PowerShellGet installed and updated. You can update PowerShellGet using:
  powershell Install-Module -Name PowerShellGet -Force -AllowClobber Update-Module -Name PowerShellGet

1. Install the Exchange Online Management Module:

• Run the following command to install the latest version of the module:
  powershell Install-Module -Name ExchangeOnlineManagement -Scope CurrentUser

1. Import the Module:

• After installation, import the module using:
  powershell Import-Module ExchangeOnlineManagement

1. Connect to Exchange Online:

• Use the following command to connect to Exchange Online:
  powershell Connect-ExchangeOnline -UserPrincipalName user@example.com -ShowProgress $true

Make sure that your PowerShell execution policy allows for module installation by setting it to RemoteSigned if necessary:Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

These steps will ensure you have the latest version of the Exchange Management Module installed on your system. If you encounter any specific errors, let me know, and I can help troubleshoot!