You now have a complete offline installer. You can copy the entire C:\OfficeSetup folder to a USB flash drive and take it to any computer that lacks internet access. To perform the offline installation on the target computer: Close all open Office applications. Open on that computer.

The installer cannot find local files and is trying to reach the internet.

You can download a complete offline installer image ( .img ) from your account portal that includes your chosen language: Log in to your Microsoft Account Portal .

Here is a look at how this process works, why it is becoming harder to do, and the hidden mechanics behind the clicks.

Why go through this trouble when you can just click a button in the settings?

For system administrators who need to push a language pack to many computers in an organization, the is the most powerful method. This works for Click-to-Run versions of Office, including Microsoft 365 Apps for enterprise and Office LTSC 2021.

Usually means your configuration file has a typo in the language ID.

Language packs usually require 800MB to 1.2GB of space.

The ODT downloads the .cab files for the requested language to your local machine.

Choose a destination folder to extract the files. Select your temporary folder ( C:\ODT ).

Under , locate your newly installed language. Click Set as Preferred .

Open the Windows search bar, type , right-click Command Prompt , and select Run as administrator .

This occurs if the configuration file is incorrectly written, forcing the ODT to search the internet during a /configure command rather than reading the local folder. Double-check that your Office download folder is in the exact same directory as your setup.exe and .xml files.

Perfect for distributing via SCCM, Group Policy, or USB drives to multiple machines.

If you’ve ever found yourself working in an environment with limited internet access or needing to set up multiple computers without taxing your bandwidth, you know how crucial offline installers can be. For Microsoft Office users, the is a game-changer, allowing you to add display, help, and proofing tools in your preferred language without a constant connection.

There is a specific kind of frustration known only to the IT professional or the globetrotting user. You are in a hotel basement in Berlin, or a remote office in Tokyo. You have a perfectly good installation of Microsoft Office, but the interface is stubbornly stuck in English, or perhaps German, and you need it in Japanese right now .