Microsoft 365 Installation Problems

Why Microsoft Office Language Packs Download Large Files

John WilsonJohn Wilson Oct 26, 2026 868 views

Question details

The user is concerned about the excessively large download size when trying to install additional proofing languages.

Why Do Microsoft Office Language Packs Download Large Files?
Product
Microsoft 365
Device & OS
Windows
Scenario
Installing additional language accessory packs, such as Arabic or Czech, for spelling and grammar checks in Office applications.
Observed behavior
The installation downloads approximately 180 MB or more, running in the background for an extended period, which seems excessively large for basic dictionary files.
Before you start

Ensure you have a stable internet connection and sufficient bandwidth, as interrupting the background download process can cause the language pack installation to fail.

Solution 1Recommended

Allow the Click-to-Run Background Installation to Complete

Understand the components of the language pack and verify its installation via Windows Apps & Features.

Microsoft Office language accessory packs contain much more than just simple dictionary and grammar files. They also include the complete Office user interface language translations, help files, and proofing tools. Because of this, downloads can be around 180 MB or larger depending on the language.

The installation is managed by the Office Click-to-Run service. This service initially downloads a small setup file and then continues downloading the heavier components in the background. It may take some time depending on your network speed, but it typically should not take hours.

1
Wait for the background process

Keep your computer connected to the internet to ensure the Office Click-to-Run background process finishes downloading all required interface and proofing files.

2
Open Windows Settings

Click the Start menu and select 'Settings' (the gear icon), then navigate to 'Apps' and select 'Apps & features'.

3
Verify the installation

Scroll through your installed applications list. Check if the newly added language (e.g., Arabic or Czech) appears as a separate Microsoft Office entry, confirming the installation is complete.

Allow the Click-to-Run Background Installation to Complete
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  1. 1. Download WPS Office: Visit the official WPS Office website and click the Free Download button.
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  3. 3. Set your proofing language: Open any document, go to the Review tab, and select Spell Check to set your desired language instantly.
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Frequently Asked Questions

Do I need to pay for a Microsoft Office Language Accessory Pack?

No, Language Accessory Packs are entirely free for Microsoft 365 and Office 2016 or newer. You can download and install as many as you need directly from Microsoft's official website.

Can I install just the spelling dictionary without the user interface language files?

In modern versions of Microsoft 365, language accessory packs are bundled with both the proofing tools and the user interface components. It is not possible to download just the dictionary separately, which contributes to the larger file size.

Where can I see which Office language packs are currently installed on my system?

In Windows, go to Settings > Apps > Apps & features. Every installed Microsoft Office language pack will appear as an independent application entry in your software list.