In a large bowl with a handheld electric mixer or in an electric stand mixer fitted with the paddle attachment, add the softened cream cheese, powdered sugar, salt and vanilla.
Mix until very smooth and light and no lumps remain, scraping down the sides of the bowl as needed.
In a separate bowl, beat the cream to stiff peaks. Add the whipped cream to the cream cheese mixture. Mix until well combined and smooth. Store in the refrigerator for up to one week.