: Under Office Display Language , find "Thai" (ภาษาไทย). Select it and click Set as Preferred or move it to the top of the list.

To set up the , you must download the specific installer for your version (32-bit or 64-bit) and then configure your Office settings to prioritize Thai as the display and authoring language. 1. Download the Language Pack

Nattawat hit Save . He opened Outlook. The interface was perfectly localized. He attached the file and clicked .

: Organizations still relying on Office 2013 Thai should plan a transition to Office 2021 LTSC or Microsoft 365 Apps, both of which include native Thai language support without separate packs.

: You can find the necessary files on the Microsoft Download Center .

: Changes menus, buttons, and dialog boxes across all Office 2013 applications like Word, Excel, PowerPoint, and Outlook Thai Proofing Tools

A: You are missing the Regional Format support. Re-run the language pack installer and select "Modify" > "Additional Proofing Tools."