Most RecentMost ViewedMost LikesRecommended SMIME algorithm settings for modern Outlook builds E-mail security when using SMIME requires modern algorithm settings. This article provides a good start for configuring modern algorithms for encryption and digital signatures. Planning considerations for REST-based (aka new model) calendar sharing in Outlook Tips to help you plan for the new calendar sharing model in Outlook - compare the new REST model to the legacy MAPI model