Microsoft Teams Specifications and Limits

Perhaps through the Covid pandemic period, Microsoft Teams will become close friends for teachers and office workers, becoming effective assistants in our work. But not everyone knows the limitations and specifications of Microsoft Teams, this article we will provide you with details about that. Let's find out together.

1. Group and channel restrictions

Description of the feature The maximum limit
The maximum number of groups you can create and manage 250
A person can be a member of up to how many groups 1,000 yen
Maximum number of members in a group 5,000 won
Maximum number of owners in each group 100
Number of groups expanded 5
Number of members in a  comprehensive group 5,000 won
Number of teams a global admin can create 500,000 won
Maximum number of groups/subscription package 500,000 (including hosting team)
Number of channels per team 200 (including deleted channels)
Number of private channels for the group 30
Channel conversation post size Approximately 28 KB per post

Note:

  • Deleted channels can be restored within 30 days. During these 30 days, a deleted channel continues to count towards the 200 channel per team limit. After 30 days, a channel is deleted and its content is permanently deleted and the channel no longer counts towards the 200 channel per team limit.
  • 28 KB is an approximate limit as it includes the message itself (text, image links, etc.), @-mentions, the number of connectors and the response.

2. Messaging and Chat

2.1. Chat – chat

Users participating in conversations that are part of a chat list in Teams must have an Exchange Online mailbox for administrators to search for chat conversations. If a chat participant doesn't have an Exchange Online mailbox, the administrator won't be able to search or pause chat conversations.

Teams Chat works on the backend of Microsoft Exchange, so Exchange message limits will apply to Teams chat.

Description of the feature The maximum limit
Number of people in a private chat (1) 100
Number of attachments (2) ten
Chat size Approximately 28 KB per post (3)

(1) If you have more than 20 people in a chat, the following chat features are disabled: Outlook auto-reply and status messages in Teams; indexing; video and audio calling; share and read received messages

(2) If the number of attachments exceeds this limit, you will see an error message.

(3)28 KB is a relative limit as it includes the message itself (text, image links, etc.), @-mentions and responses.

2.1. Send or forward one channel email

If a user wants to send an email to a channel in Teams, they'll use the channel's email address . When an email is part of a channel, anyone in the group can reply to it. Here are some limitations that apply to sending or forwarding email to a channel in Microsoft Teams

Description of the feature The maximum limit
Message Size (1) 24 KB
Number of attachments (2) 20
Size of each attachment Less than 10 MB
Number of inline images (2) 50

(1) If the message exceeds this limit, a preview message will be generated and the user is required to download and view the original email from the link provided.

(2) If the number of attachments or images exceeds this limit, you will see an error message.

3. Regulations on channel naming

Note that when naming channels, do not use the following characters or words.

Subject Detailed list.
Unused character ~ #% & * {} + / \: <>? | '"..
Character range 0 to 1F
80 to 9F
Words that are not used Foms, CON, CONIN $, CONER $, PRN, AUX, NUL, COM1 to COM9, LPT1 to LPT9, desktop.ini, _vti_

Channel names also cannot start with an underscore (_) or a period (.) or end with a period (.).

4. Limited to meetings and calls

Description of the feature The maximum limit
Number of people in a meeting 250
Maximum PowerPoint file size 2GB

4.1. Meeting time limit

Meeting type The meeting ended after hours Time allowed to extend each time you start or update a meeting
Meet Now (meet now) Start time + 8 hours Not available
Conclave meeting has no end time Start time + 60 days 60 days
Meetings usually have an end time End time + 60 days 60 days
Periodic with no end time Start time + 60 days 60 days
Recurring with end time Final end time + 60 days 60 days

5. Live Events in Teams

Description of the feature The maximum limit
Object size 10,000 attendees
Duration of the event 4 hours
Simultaneous live events taking place at the same time (calculated on 1 subscription plan) 15

6. Storage

Each team in Microsoft Teams has a team site in SharePoint Online, and each channel in a team has a folder in the default team site's document library. Files shared in a conversation are automatically added to the document library, and file permissions and security preferences set up in SharePoint are automatically mapped to Microsoft Teams.

If you don't enable SharePoint Online for your organization, Microsoft Teams users cannot share files in Teams. Users in private chat also can't share files because OneDrive for Business (which is tied to the SharePoint license) is required for that functionality.

Since document files are stored in SharePoint Online and OneDrive for Business document libraries, all configurations that have been set up for your organization will be followed.

Because Teams works on the SharePoint Online Backend for file sharing, SharePoint restrictions apply to files in Teams. 

Below are the storage limits that apply to SharePoint Online.

Characteristic Office 365 Business Essentials Office 365 Business Premium Office 365 Enterprise E1 Office 365 Enterprise E3 Office 365 Enterprise E5 Office 365 Enterprise F1
Storage 1 TB per organization plus 10 GB per license 1 TB per organization plus 10 GB per license 1 TB per organization plus 10 GB per license 1 TB per organization plus 10 GB per license 1 TB per organization plus 10 GB per license 1 TB per organization
Archive for Teams files Up to 25 TB per site or group collection Up to 25 TB per site or group collection Up to 25 TB per site or group collection Up to 25 TB per site or group collection Up to 25 TB per site or group collection Up to 25 TB per site or group collection
File upload limit (per file) 15 GB 15 GB 15 GB 15 GB 15 GB 15 GB

7. Tags – Tags

Description of the feature The maximum limit
Number of cards per group 100
Recommended default number of cards per group 25
Number of team members assigned to a card 100
Number of tokens assigned to users 25

8. Contact

Teams uses these contacts:

  • Contacts in the Active Directory in your organization
  • Contacts are added to the user's default Outlook folder

Users in the group can contact anyone in Active Directory in your organization and can add anyone in Active Directory in your organization as a contact and to the contact list by going to  Chat  >  ​​Contacts  or Calls  >  Contacts . 

Teams users can also add someone not in Active Directory as a contact by going to  Calls  > Contacts  .

9. Browser

Microsoft Teams fully supports the following Internet browsers, with the following exceptions for calls and meetings.

Browser Call, video call and share Meetings – audio, video and sharing
Internet Explorer 11 Unsupported Meetings are only supported if the meeting includes a PSTN. To join a meeting on IE11 without PSTN, the user must download the Microsoft Teams Client to the computer

Video: Not supported

Share: Receive incoming shares only (not sent) 
Microsoft Edge, RS2 and above Fully supported, except don't share Fully supported, except don't share
Microsoft Edge (Chromium-based), latest version Fully supported Fully supported
Google Chrome, latest and 2 most recent versions Fully supported

Fully supported without any plugin or extension on Chrome version 72 and above.
Firefox, latest version Unsupported Meetings are only supported if the meeting includes a PSTN. To join a meeting on Firefox without PSTN, the user must download the Microsoft Teams Client to the computer

Video: Not supported

Share: Only share to (not send) 
Safari 11.1+ Unsupported Meetings are only supported if the meeting includes a PSTN. To join a meeting on Safari without PSTN, users must download the Microsoft Teams Client to their computer

Video: Not supported

Share: Only share to (not send)

The Blur my Background feature is not supported when you use Microsoft Teams in the browser. This feature is only available when using the App on a computer.

Above are the specifications and limitations of Microsoft Teams that you need to know when using. Wish you will have more great experiences with the real kieenss provided above.

Explore more:

>> Instructions for using Microsoft Teams in online teaching

>> Microsoft Teams – Common errors and how to handle them

>> Microsoft Teams – Frequently Asked Questions

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