The default method to add languages in Office 2021 requires an active internet connection. Office downloads the necessary files on demand. However, an offline installer is highly beneficial in several scenarios:
Open as an Administrator on the offline machine. Navigate to the folder containing your transferred files: cd C:\Office2021Offline Use code with caution. Run the installation command: setup.exe /configure install.xml Use code with caution.
Now that you are armed with this guide, you can confidently deploy, troubleshoot, and master Office 2021’s multilingual capabilities—completely offline.
Without these installed, Office 2021 will treat non-English text as errors. Why Use an Offline Installer? office 2021 proofing tools offline installer
For Office 2021, there isn't a dedicated standalone "proofing tools" installer like there was for older versions. Instead, you get them through , which include the full display, help, and proofing tools for a specific language. How to Get Office 2021 Proofing Tools Offline
Once the download is complete, the Command Prompt will return to the standard command line input.
These packs go beyond just the display language of your Office interface—they provide the actual linguistic engine that catches your typos and grammatical errors as you type. Without the correct proofing tools installed, your word processor may only be able to flag misspellings in the primary language of your installation, leaving other languages unchecked. The default method to add languages in Office
: Retail versions typically use the Current channel, while volume licensed versions use PerpetualVL2021 . Align your XML channel parameter with your license type. Error: Couldn't Install / Missing Files
Architecture mismatch (32-bit vs 64-bit) or trying to install 2021 proofing tools on Office 2019/2016. Fix: Verify Office architecture and version. Office 2021 proofing tools are not backward compatible with older Office releases.
A USB drive or network shared folder (to transfer files to the offline computer). Administrator privileges on both computers. Step 1: Download the Office Deployment Tool (ODT) Navigate to the folder containing your transferred files:
Office 2021 supports over 80 proofing tool languages, including:
Yes. Office LTSC 2021 (Long Term Servicing Channel) uses the same codebase as retail Office 2021. The same offline installers work perfectly.