To get the Arabic Language Pack for Microsoft Office 2016 (32-bit) working properly, you need to match the architecture (32-bit) of your existing Office installation and then configure the settings within an Office app. How to Install and Enable Arabic in Office 2016 Download the 32-bit Arabic Language Accessory Pack
Occasionally, if Office 2016 receives a major security update, the language pack may require a quick "Repair" through the Control Panel to ensure all UI elements remain localized. Help Files: microsoft office language pack 2016 arabic 32bit work
Proofing tools missing: If you can type in Arabic but don't see spellcheck, go to the Review tab > Language > Set Proofing Language to ensure Arabic is selected. To get the Arabic Language Pack for Microsoft
Operating Systems: Supported on Windows 7, 8, 8.1, 10, and various Windows Server versions. Right-to-left (RTL) text flow for proper Arabic script
The installation process can be performed through the official Microsoft Download Center or through internal Office settings.