Excel Lambda Now Supports Optional Arguments And ISOMITTED – 2417 Posted on August 9, 2021 by Bb You can build Lambda functions in Excel that support optional arguments. A new ISOMITTED function lets you check if the argument was supplied or not. MrExcel.comMon, August 9, 2021 11:08pmURL:Embed:Share this:TwitterLinkedInRedditPinterestFacebookTelegramPocketTumblrPrintWhatsApp