Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Microsoft Outlook is an personal information manager from microsoft which helps users communicate, manage schedules & find what they need quickly & easily.
Microsoft Office is a suite of desktop productivity applications and client and server software designed for data analysis, presentations and numeric manipulations.
Salesforce Service Cloud engage with users customers when and where they are. Deliver service across every channel, over any device. Empower users customers with communities. Track key contact center metrics in real-time. And enable every employee to deliver outstanding service at every point of interaction.