Of course it is possible. Please read the documentation carefully.
USING MORE THAN ONE CATEGORY
Posts from several categories with an AND relationship, posts that belong to all of the listed categories (note this does not show posts from any children of these categories): [catlist id=17+25+2] – [catlist name=sega+nintendo].
Posts from several categories with an OR relationship, posts that belong to any of the listed categories: [catlist id=17,24,32] – [catlist name=sega,nintendo].
Exclude a category with the minus sign (-): [catlist id=11,-32,16], [catlist id=1+2-3]. Important: When using the and relationship, you should write the categories you want to include first, and then the ones you want to exclude. So [catlist id=1+2-3] will work, but [catlist id=1+2-3+4] won’t.
Full documentation here
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This reply was modified 6 years, 5 months ago by zymeth25.