Without the language pack, typing in Serbian often results in a document riddled with red squiggly lines. The language pack installs the full suite of proofing tools:
Visit the official Microsoft Language Accessory Pack for Office page. Select "Office 2016" from the version list, choose , and download the installer that matches your bitness (x86 for 32-bit or x64 for 64-bit). Step 3: Run the Installation microsoft office 2016 language pack serbian