Microsoft Office 365 and Zscaler. Better Together.
Zscaler for Office 365 has been designed from the ground up to
work flawlessly with Microsoft Office 365.
While Microsoft discusses four network concepts for O365 connectivity, there’s one conclusion for best performance and cost savings. direct internet. What does direct internet mean? There are four principles:
Identify and differentiate Office 365 traffic
From Office ProPlus to SharePoint to Skype – understand which apps you’re using and how much bandwidth they consume. This is the traffic you must optimize separately from other traffic.

How Zscaler Helps
Zscaler one-click configuration automatically optimizes your O365 traffic. Built to work seamlessly with Office 365 endpoint web service, Zscaler automatically gets updates on Microsoft cloud changes and allows you to prioritize all O365 ports and protocols through the Zscaler cloud.

Egress network connections locally
Send all your Office 365 app traffic directly to the internet locally and don’t route it through a central gateway.

How Zscaler Helps
The Zscaler Cloud platform enables fast, secure connections to Microsoft Office 365 over the internet directly. You improve application performance and the user experience by avoiding the added latency of backhauling and hub-and-spoke networks. And with local DNS, Zscaler always enables the fastest connection no matter the global location of the user.

Assess bypassing proxies
Microsoft recommends not sending O365 traffic through your security appliances. This can trigger costly throughput upgrades, creates latency, and hinders performance.

How Zscaler Helps
Per Microsoft’s recommendations, Office 365 shouldn’t be inspected. However, with Zscaler Cloud Firewall, Bandwidth Control and CASB, you get control over traffic flows, app usage and traffic prioritization. And with the Zscaler Security Platform, you get airtight security for the rest of your internet traffic over your direct connections.
Avoid network hairpins
Make sure your remote users go directly to Microsoft. VPN hairpins add far too much latency, which kills the user experience.

How Zscaler Helps
Zscaler Client Connector (formerly Zscaler App) enables remote users to go directly to Microsoft, without having to VPN back to a hub-and-spoke architecture. This provides the fastest path to Microsoft and enables the best application performance.