How to Enable End-To-End Encryption on Microsoft Teams (2022)

Microsoft is beginning to roll out a public preview of end-to-end encryption on Microsoft Teams calls, specifically for unscheduled one-on-one calls that encrypt both parties’ communication. The feature was first introduced in March during an Ignite conference, and it will now be available in public preview at this fall’s version of the virtual conference. 

Security issues are not blown up when conducting business over the phone. It’s natural to be concerned about security breaches. However, if you utilize Microsoft Teams, you may now put some of those concerns to rest.

According to Microsoft, end-to-end encryption on Microsoft teams is available for calls made between two people using the current version of the Teams desktop client for Windows or Mac, as well as the latest versions of the Teams apps for iOS and Android.

See Also: 7 Best Ways To Get Past A Paywall (2022)

According to the business insider, only the real-time medial flow of video and speech data is protected, and both parties must turn on the functionality to enable end-to-end encryption on Microsoft teams.

However, in the IT Admin port, under Enhanced Encryption rules, IT must first enable end-to-end encryption for team one-on-one communications.

Admins can choose which users have access to the feature and whether the increased encryption is available to the entire organization or just a limited subset of users, just as they would with any other policy. Admins can also use Microsoft Power Shell to deploy end-to-end encryption policies to the tenant, users, and groups.

All one-to-one calls will be encrypted once end-to-end encryption on Microsoft teams is activated on both sides. That implies that no one, even Microsoft, will have access to the decrypted call information. Teams, on the other hand, enable the exchange of media assets and messaging.

The good news is that all files shared during the connection will be encrypted as well, in addition to voice and video data packets. This includes text communications as well, but Microsoft 365 encryption is used instead.

How to Enable End-To-End Encryption on Microsoft Teams

How to Enable End-To-End Encryption on One-to-One Calls in Teams

How to Enable End-To-End Encryption on One-to-One Calls in Teams

The option must first be enabled at the admin level. To do so, go to the Teams Admin Centre and log in with your administrator account credentials. This is where you can manage all users’ team accounts.

Go to Other settings > Enhanced encryption policies once you’ve logged in.

A new encryption policy must be created and named. Pick a name that makes sense and can be remembered later. Finally, check the box next to Users can switch it on, and then click Save to save your changes.

As you may have noticed, even if the admin has enabled encryption for one-to-one calls in Teams, the members of the organization must also enable it.

This necessitates that you inform them about the new function and explain the benefits and drawbacks of enabling or disabling it.

In Teams, the user must click on the three-dot menu symbol and select Settings to enable encryption for one-to-one calls. Enable the end-to-end encryption calls toggle under the Privacy tab on the left.

The E2EE setting will be synced across devices when a call is initiated. It means that if you have E2EE enabled on your device and call a user who hasn’t, Teams will immediately sync the settings and enable E2EE on his or her device.

How to Enable Microsoft Teams End To End Encryption on Mobile Apps

How to Enable Microsoft Teams End To End Encryption on Mobile Apps

On Teams mobile apps, the admin settings are not available. You’ll need to use a browser to access Teams Admin Centre. However, you might try using a mobile browser.

Go to Settings> Calling to enable it as a user. Enable the End-to-end encrypted calls toggle under “Encryption.” By comparing the security codes on both sides of the conversation, you may confirm if the call is encrypted or not. To expose the security code, tap on the shield with a lock icon during the call. End-to-End Encryption is currently only available for unplanned 1:1 calls. That means there is no end-to-end encryption on any planned calls, impromptu group calls, or meetings (yet).

However, users must enable End-to-End Encryption on Microsoft teams, first by IT admins, then by end-users in the tenant. IT administrators will have control over which users get access to the feature. End-to-End Encryption will be available on the Windows and Mac desktop apps, as well as the iPhone and Android mobile apps. Teams for the Web will not be able to use it.

How to check End to End Encryption Is Enabled and Working

How to check End to End Encryption Is Enabled and Working

So, after enabling End to End Encryption on Microsoft teams, how do you know if the other person has enabled it as well when you make or receive a call?

When both users have the option enabled, the team call will have a shield in the top left corner. Users can hover their cursor over the shield to see a confirmation that the call is encrypted end-to-end. Microsoft reminds users that a conversation or meeting is still secured using other industry-standard encryption mechanisms, and data transferred during a call is “always safe while in transit and at rest,” according to Microsoft.

  • End-to-end encryption will be synced across all enabled devices, so turning it on one will turn it on all others.
  • Users can enable it in Teams Mobile by going to Settings > Calling and checking the Encryption box.
  • A lock and shield icon will appear on the mobile call, and consumers can tap that encryption indicator to discover the connection’s 20-digit security code. Both users can check that the code matches to guarantee that the call is encrypted from beginning to end.

Few Disabled Features

When end-to-end encryption is enabled, some team features will be unavailable. According to the notice, the following will not work:

  • Recording
  • Captioning and transcribing in real time
  • Transferring a call (blind, safe, and consult)
  • Call Park 
  • Call Merge
  • Merge Transfer to another device and companion
  • Make the one-on-one call a group call by adding a participant.

End users can, however, disable end-to-end encryption through team settings if they actually need those functionalities.

End-to-end encryption, which is currently in preview, only works for one-on-one calls. It is not compatible with group audio and video calls. Support for group calls, on the other hand, is something Microsoft is working on for a future release.

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