The document provides a comprehensive technical overview of Microsoft Teams, detailing deployment options, security compliance, administrative settings, and extensibility features. It outlines desktop, mobile, and browser application support, as well as security measures such as two-factor authentication and data encryption. Additionally, it covers the lifecycle of content within Teams, user limits, and integration capabilities with other services.

1. Microsoft Teams Preview
Technical Overview

2. Summary
Deployment options
Security
Administration
Pre-requisites
Extensibility

3. Microsoft Teams Deployment Options
Support for 19 languages: English (US), Chinese (Simple and Traditional), Spanish, French, German, Italian, Russian,
Portuguese (BR), Japanese, Korean, Dutch, Danish, Swedish, Finnish, Norwegian, Turkish, Czech, and Polish.
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Desktop Apps Mobile Apps Browser App
Windows or Mac Edge, Internet Explorer, Firefox, ChromeiOS, Android, Windows Phone

4. Microsoft Teams Desktop Apps
https://teams.microsoft.com/downloads
Windows
 Downloadable installers in 32-bit and 64-bit for Windows (~69 Mb)
 OS version: Windows 7+
Mac
 Downloadable .dmg installation file for Mac computers (~72 Mb)
 OS version: Mac OSX 10.10+
IT admins can choose their preferred method to distribute the installation files to machines in
their organization. Auto managed update process.
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5. Microsoft Teams Mobile Apps
No MAM/MDM Intune or O365 Built-in MDM support now, but announced in the roadmap
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http://aka.ms/iosteams
Requires iOS 9.0 or later.
Compatible with iPhone,
iPad, and iPod touch
http://aka.ms/androidteams
Android 4.4 and up
http://aka.ms/wpteams
Windows Phone
10.0.10586 and later

6. Microsoft Teams Browser App
Microsoft Teams web browsers support:
 Microsoft Edge 12+
 Internet Explorer 11+
 Firefox 47.0+
 Chrome 51.0+
Users who try to open the Microsoft Teams web client on Safari are directed to download the desktop client. Safari
support may be added at a later time.
Viewing Microsoft Teams on the web works at any screen resolution. Creating and editing teams in Microsoft
Teams requires a screen width of 600 pixels or wider. Microsoft Teams on the web is view-only on screens less than
600 pixels wide.
Limited Features with online version vs apps.
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7. Security & Compliance
 Microsoft Teams is Tier C compliant at launch. This includes: ISO 27001, ISO
27018, EUMC, SSAE16, SOC1 Type I and II, SOC2 Type I and II, HIPAA,
FERPA, and GLBA, and EU Model Clause (EUMC)
 Enforces team-wide and tenant-wide two-factor authentication, single sign
on through Active Directory, and encryption of data in transit and at rest.
Files and notes are stored in SharePoint and OneNote, respectively, which are
backed by SharePoint and OneNote respective encryption.
 Data in Microsoft Teams lives in the data center region where the tenant
is created/located. Data is not housed in the United States unless the tenant
itself is provisioned in the US. In future, Microsoft Teams will provide GoLocal
support, where data remains in country (not just in region). Updates will be
shared in the public Office 365 Roadmap.
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8. Teams Administrative Settings
 Turn on/off Microsoft Teams for your organization
 General tenant-level settings (org chart)
 Teams & Channel (create, delete, etc.)
 Calls & Meetings (you can choose if users can use
video and screen sharing during calls and meetings)
 Messaging (turn on or turn off media content such
as animated images, memes, and stickers)
 Allow Tabs extensions
 Enable Bots
 Enable Connectors
 + Groups Administration settings
 + SharePoint Online Administration settings
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9. Behind a Microsoft Team
 When a new team is created, a new Office 365
Group is also created, including the associated
group SharePoint site, mailbox, and OneNote
notebook.
 If a team is activated on an existing group, then
the existing site, mailbox, and notebook are used
in place.
 For each new team, a single channel named
General is also created, along with the associated
SharePoint folder and OneNote notebook
section.
 Can insert additional tabs connected to other
services as Planner, Power BI, Team Services, etc.
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1Team=1Office365Group
SharePoint site
Mailbox
OneNote
notebook
core services
+ additional services

10. Teams and Exchange requirements
For the full Microsoft Teams experience, every user should be enabled for Exchange Online and SharePoint
Online.
Users' Exchange mailboxes can be hosted online or on-premises. Users with Exchange mailboxes on-premises
will not be able to configure connectors, but can still receive messages from connectors configured by other users.
The following table gives more specific information, for users with Exchange hosted in other environments:
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Actions supported:
User's mailbox is hosted in: Create
teams
Join
teams
Create
channels
Create and
view meetings
Add and
configure
connectors
Add and
configure
tabs
Add and
configure bots
Exchange Online Yes Yes Yes Yes Yes Yes Yes
Exchange Online Dedicated vNext Yes Yes Yes Yes Yes Yes Yes
Exchange Online Dedicated – Legacy(Sync
to Azure AD required)
Yes Yes Yes Yes No Yes Yes
Exchange on-premises (Sync to Azure AD
required)
Yes Yes Yes Yes No Yes Yes

11. Microsoft Teams Content Lifecycle
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Content Lifecycle Value
What happens when a member of
a team is removed?
All data remains and all existing users can continue to use the team. If the removed
user was the only owner of the team, an IT admin can retake control of the team by going
through the Office 365 admin center and adding themselves or someone else as the team
owner.
Data retention and data deletion
policy
Microsoft Teams retains all messages. Microsoft Teams retains deleted messages for at
least 7 days, and at most 30 days, before messages are permanently deleted. There is no
support yet for retaining edit and deletion logs for all messages.
Information protection in
Microsoft Teams
SharePoint and OneNote security measures apply to all documents shared and all notes
saved in Microsoft Teams. For chat, Microsoft is building the roadmap for various
information-protection measures such as archive, eDiscovery, legal hold, audit history,
content search, custom retention policies, and Customer Lockbox. Updates on these and
other features will be shared in the public Office 365 Roadmap.
Can I edit or delete chat messages
that I sent?
You can edit or delete your chat messages during the first 24 hours after they are posted

12. Teams Limits and Boundaries
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Limit Value
Maximum number of teams that can be created in an
Office 365 tenant
500 000
Maximum owners for a team 10
Number of teams can a user create 250
Number of teams can a global administrator create Unlimited
Maximum number of members you can add to a team 600
Maximum number of members a user can add to a
chat
10 members in a private chat, including the user who created the
chat
Maximum number of people in a meeting 80
Limit Teams for only a part of an organization At this time, No. Admins will be able to turn on or turn off the
Microsoft Teams license for individual users – this capability will
be available soon.
Collaborate with people outside of my organization External access is not available in Microsoft Teams preview. We
are working on several ways to expand the value of Microsoft
Teams to more diverse types of organizations and teams,
including the ability for guests outside the team or organization
to participate.

13. Microsoft Azure
Active Directory
Microsoft Azure
Active Directory
Identity synchronization with
or without password (hash)
sync
Identity
synchronization
User attributes are synchronized using
identity synchronization services,
including a password hash;
authentication is completed against
Azure Active Directory
User attributes are synchronized using
identity synchronization tools;
authentication is passed back through
federation and completed against
Windows Server Active Directory
Identity Management
Identity
Federation
ADFS

14. NetworkRequirements
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Row Purpose Destination Destination Port
1 Required: Authentication and identity Office 365 identities requirements
2 Required:Microsoft Teams.
teams.skype.com
teams.microsoft.com
api.teams.skype.com
img.teams.skype.com
webhook.teams.skype.com
statics.teams.skype.com
statics.teams.microsoft.com
bots.teams.skype.com
settings.teams.skype.com
emails.teams.skype.com
emails.teams.skype.net
TCP 443
3 Required:Microsoft Teams collaboration
*.conv.skype.com
1
*.asm.skype.com
1
*.cc.skype.com
1
*.msg.skype.com
1
*.trouter.io
1
*.dc.trouter.io
1
prod.registrar.skype.com
prod.tpc.skype.com
amer-client-ss.msg.skype.com
amer-server-ss.msg.skype.com
us-api.asm.skype.com
emea-client-ss.msg.skype.com
emea-server-ss.msg.skype.com
eu-api.asm.skype.com
apac-client-ss.msg.skype.com
apac-server-ss.msg.skype.com
ea-api.asm.skype.com
TCP 443
4 Required:Microsoft Teams media
N/A
TCP 443
UDP 3478-3481
UDP + TCP 50000-60000
5 Required:Microsoft Teams shared services
*.blob.core.windows.net
*.config.skype.com
2
*.feedback.skype.com
*.licensing.mp.microsoft.com
*.msedge.net
*.pipe.skype.com
mobile.pipe.aria.microsoft.com
ssdesktopbuild.blob.core.windows.net
s-0001.s-msedge.net
s-0002.s-msedge.net
scsquery-ss-us.trafficmanager.net
scsquery-ss-eu.trafficmanager.net
scsquery-ss-asia.trafficmanager.net
TCP 443
a.config.skype.com
b.config.skype.com TCP 443
6 Optional: Microsoft Teams third-party integrations
*.giphy.com
TCP 443
7 Optional:Messaging interop with Skype for Business
skypemaprdsitus.trafficmanager.net
pipe.skype.com
swx.cdn.skype.com
latest-swx.cdn.skype.com
graph.skype.com
TCP 443
*.lync.com
TCP 443
8 Optional:Messaging interop with Skype for Business
Client Configurations
a.config.skype.comb.config.skype.com
config.edge.skype.com TCP 443

15. Microsoft Teams Extensibility
Add additional tabs in
Teams channels to target a
custom content as a
SharePoint Site, Bing Map,
custom surveys, Power BI
reports, etc.
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TABS CONNECTORS BOTS
Automatically import
Teams discussions
content from external
datasources, as for
example Blogs, Twitter,
Dynamics CRM activities,
etc.
Create Bot Apps to
interact with the users
and to help in day-to-day
business (sample: helpdesk
bot, assistant, knowledge
sharing, etc.)

16. SharePoint Online Tab Integration
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 Each channel can be mapped with one or many SharePoint Online web site and document libraries
 Manage directly your files and folders from the Microsoft Teams UI
 Office Online Integration & SharePoint features available behind (workflow, meta-data, etc.)
 SharePoint Online limits & boundaries

17. Custom Tabs in Microsoft Teams
 You can build a Microsoft Teams tab from scratch or by adapting your existing web app
 You can import packages to add custom tabs in a Team channel
 Based on XML manifest file
https://msdn.microsoft.com/en-us/microsoft-teams/tabs
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18. Single canvas:
View and discuss external
content along side your
group conversations
Office 365 Connectors
Office 365 Connectors
Project and
Productivity
Customer
Relationship
News and
Social
Developer
Tools
Trello Asana Wunderlist
Salesforce MSFT Dynamics
Bing News Twitter RSS
Zendesk
Github Visual Studio Webhook
https://msdn.microsoft.com/en-us/microsoft-teams/connectors

19. Microsoft Bots Framework
 Build and connect intelligent bots to interact with
Microsoft Teams users naturally through 1:1 chat
 Once a bot has been added it will appear in your
conversation history in the same way as a chat with
another user, but with a hexagonal avatar.
 Your bot can send rich text, pictures and cards to a 1:1
chat. Users can send rich text and pictures to your bot.
 Using the Microsoft Bot Framework
https://msdn.microsoft.com/en-us/microsoft-teams/bots

20. Technical Ressources
Microsoft Teams Help
https://support.office.com/en-us/article/Microsoft-Teams-Help-23156c0c-2c6e-49dd-8b7b-7c564b76508c
Frequently asked questions about Microsoft Teams – Admin Help
https://support.office.com/en-us/article/Frequently-asked-questions-about-Microsoft-Teams-
%25E2%2580%2593-Admin-Help-05cbe533-2181-4e95-a4b0-52cd7695fafc?ui=en-US&rs=en-US&ad=US
Administrator Settings for Teams
https://support.office.com/en-us/article/Administrator-settings-for-Microsoft-Teams-3966a3f5-7e0f-4ea9-
a402-41888f455ba2
Microsoft Teams Developer Preview MSDN
https://msdn.microsoft.com/en-us/microsoft-teams/index
Microsoft Teams Network Settings
https://support.office.com/en-us/article/Office-365-URLs-and-IP-address-ranges-8548a211-3fe7-47cb-
abb1-355ea5aa88a2?ui=en-US&rs=en-US&ad=US#bkmk_teams
Microsoft Bot Framework Overview
https://docs.botframework.com/en-us/
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