Forgotten Attachment Reminder in other languages in Outlook

Hi, in Outlook is a great feature, which reminds you forgotten attachment if you write words like "attach, attachment, these files" and like that.

And it works fine when I type in English text. But why this does not work also in other languages, for example, Czech? If I type our "příloha, přiložit, přiložené soubory", the Outlook does not remind me the forgotten attachment.