Yammer offers Free Trial, but Outlook does not.
Outlook is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Yammer is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Outlook and Yammer are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Outlook includes ReclaimAI, ZoomInfo InboxAI, Dynamic Flows, Yammer, Microsoft 365, Google Admin Console, Qualified, Workvivo, OfficeFiles, Ability Office, Hiri, Amazon WorkMail, Gmail and Newton Mail.
Some top alternatives to Yammer includes Interact, Interact Software, MyHub Intranet Software, Creative Social Intranet, Attollo Intranet, Oak Engage, Engynn Intranet and OneWindow Workplace.