Office 2021 Proofing Tools Offline Installer

First, you need to download the ODT from the Microsoft Download Center. This small executable file will extract the necessary components to a folder on your computer.

This downloads the selected language proofing tools to the local source folder.

Modern versions of Office 2021 do not use traditional standalone .msi installers for language packs or proofing tools. Instead, Microsoft uses the deployment architecture.

This is important because as a Microsoft Q&A thread explains: “If older Office software was present on the computer when you installed your subscription version, you will usually get 32-bit Office (even on 64-bit Windows).” In other words, just because your computer runs a 64-bit version of Windows does NOT mean you have 64-bit Office. Always verify before downloading. office 2021 proofing tools offline installer

Sometimes the installer appears to run but does nothing, or it fails silently without any useful error message.

: Identifies structural errors unique to each language.

To confirm that your offline proofing tools were installed successfully, follow these steps within an Office application like Microsoft Word: Open . Click on File in the top-left corner, then select Options . Navigate to the Language tab. First, you need to download the ODT from

The allows you to deploy spelling, grammar, and hyphenation dictionaries for multiple languages without an active internet connection. Microsoft changed how these language packs are distributed, moving away from standalone MSI installers to the Click-to-Run deployment architecture.

Assuming you've downloaded the ODT and extracted it to a folder, create a proofingtools.xml file with the following content:

Open your Windows Search bar, type , right-click Command Prompt , and select Run as Administrator . Navigate to your folder by executing: cd C:\ODT Use code with caution. Initialize the offline asset download command: setup.exe /download proofing.xml Use code with caution. Modern versions of Office 2021 do not use

Open any Office application, go to File → Account → About Word (or any other app). The version information will explicitly state "32-bit" or "64-bit".

To download and install the Office 2021 proofing tools offline installer, follow these steps:

For most users who simply want to download and install proofing tools using the standard Language Accessory Pack method, here is a detailed walkthrough.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\ProofingTools\16.0\Languages

: 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