The spell checker doesn’t recognize Italian words. Solution: You need to download the Italian dictionary from the WPS built-in store (Menu > Tools > Dictionaries > Download Italiano).
We recommend the WPS Office Italian Language Pack to: wps office italian language pack top
Sometimes, the Italian option might not appear, or the spellcheck might stay stuck in English. Here is how to fix the most common issues: Manual Installation The spell checker doesn’t recognize Italian words