How to install Microsoft Office 2021 LTSC Pro Plus (x86) and x64 using the Office deployment tool (ODT)

Steps:

1. 1. Download and install the Office Deployment Tool

   1. Download the Office Deployment Tool from the Microsoft Download Center
   2. Run the downloaded .exe file: "officedeploymenttool...exe"
   3. Select a file to store the extracted files
      1. In this example, we created a folder "ODT" and placed it on the desktop
   4. You can view the extracted files in the folde
   1. Screenshot of files in destination folder

1. 2. Create & save your configuration file

   1. Visit https://config.office.com/deploymentsettings
   2. Complete all required inputs
      Special cases:
      1. For installation of an Office 365 plan that contains Office 365 ProPlus (Office 365 E3), select Office 365 ProPlus in the "Office Suites"
      2. For installation on a Remote Desktop (Terminal Server), select "Shared Computer" as the activation option
   3. Export your fil
   1. In this example, we are saving the file name as "ODTConfig". We are saving it into the "ODT folder on the desktop
   2. The screenshot above shows the "ODTConfig" file saved successfully into the "ODT" folder

1. 3. Run the Office Deployment Tool in Download Mode

   1. Open Command Prompt as Administrator 
   2. Change the directory of the command prompt to the ODT folder using the "cd" command
      1. cd filepath
      2. cd C:\Users\User\Desktop\ODT
      3. In the example above, the filepath of the ODT folder is:
         C:\Users\User\Desktop\ODT
      4. The Command Prompt will now reflect the new directory
      5. C:\Users\User\Desktop\ODT>
   3. Run the ODT in download mode
   1. Enter the following into Command Prompt
   2. setup.exe /download ODTConfig.xml
      1. Setup.exe refers to the name of the file in the destination
      2. /download refers to the mode that you are running the tool in
      3. ODTconfig.xml refers to the configuration settings for running the tool in the given mode
   3. Running the command successfully will create a folder titled "Office" within the destination folder
   4. Wait for the files to finish downloading
      1. This step may take anywhere from 5 minutes to 1 hour, depending on your internet connection
      2. You can verify the download is complete by inspecting the size of the "Office" folder, closing and reinspecting the size. If the size has not increased, the download step has completed

1. 4. Run the Office Deployment Tool in configure mode

   1. Return to command prompt, ensure that you are running commands in the target directory
   2. Run the ODT in configure mode
   1. Enter the following into Command Prompt
   2. setup.exe /configure ODTConfig.xml
      1. Setup.exe refers to the name of the file in the destination
      2. /configure refers to the mode that you are running the tool in
      3. ODTConfig.xml refers to the configuration settings for running the tool in the given mode
   3. Running the command successfully will open a window showing Office is being installed
      1. 

1. 5. Once Office has been installed, you can open and use the included programs