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What is TeamUp?

TeamUp is a team communication service provided by Mattermost hosted by CIT which allows all team communication to be in one place, easy-to-use, searchable and accessible anywhere. With this you can share messages and files across phones and PCs, with archiving and instant search.

How can I access TeamUp?

TeamUp is available on all platforms and on the web.  

 All NUS students who would like to use for projects and other communication among themselves please use

All NUS Staff:

  1. If you would like to use this service for teaching and learning purposes, please use
  2. For any other use cases, please use


  • For, for NUSSTF users, please login using your NUSNET id and password, for other users please use your NUS email address
  • For, for NUSSTU users, please login using NUSNET id and password, for other users, please use your NUS email address

Native Applications:

What are the features available?

  • Send messages and comments across public, private and 1-1 channels
  • Personalize Personalise notifications for unreads and mentions by source
  • Share files and images internally and externally
  • Drag, drop and tap to share files

    • Easy upload upload – Have all your files for business (PDFs, documents and spreadsheets) and media (images, audio and video) available over phones and PCs

    • Share with anyone

      – It’s

       – It’s easy to precisely permission file sharing to colleagues and groups within

      your organization

      your organisation as well as externally

    • Tag and




      Organise files by tags to recall them quickly and search for files by channel, sender, date and other attributes.

  • Search public and private channels for historical messages and comments
  • View recent mentions of your name, username, nickname, and custom search terms

What is the different between TeamUp, Microsoft Teams and Skype for Business?

Please refer to this comparison table


do I create a new team?To start your own team click on "Create a new team" in https://teamup

can I access TeamUp?

TeamUp is available on the web and native apps:  


Enter Server URL:

Table of Contents


TeamUp Group

/select_team or

NUS Students & Staff:

  1. Go to
  2. Click NUS Account button and sign in with NUSNET ID and password.

Non NUS Users:


How do I create a new team?

To start your own team, go to and select "Create a new team". 

How is a team organized?


– Create

 – Create open channels by project, topic, or team to share conversations with anyone in the organization.

Image Added

Private Messages

– Message

 – Message colleagues directly to discuss topics one-on-one.



Channels – Create private


channels to discuss sensitive information. No one knows about or can join closed channels without an invitation.

Image Modified


How do I invite users into my team?

After you have logged logging in, click on the 3 dots Menu and you should see 2 options: Main Menu (hamburger icon) and select Invite People:

Image Added

You can invite users to your team by:

a) Send Email Invite: Enter email address and email the invitation directly. 

b) Get Team Invite Link: Copy

the team invite


from here



send it to


the users

to join.
  • Invite New Member: Put in the email and other details of the user and invite.
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    Please note that you can only invite users with valid NUSnet ID's

    who should join. 

    How do I invite users into my "Private


    Channel" in a team?

    Choose your private group channel and expand the dropdown to fin d find the options to manage members of a group


    that you
    You can only invite users who are already part of the team into a private

    How do I delete a team which I created?

    Users cannot delete a team through the current user interface. Please contact contact TeamUp support  support to help you with this.

    Is the communication channel encrypted?

    Yes, the communication channel is encrypted by SSL (https://....

    Is it advisable to share confidential files?

    We will advice you to only share and store NUS Internal and public accessible documents. NUS confidential files should not be shared and stored on this service.

    Does this service support NUS 2FA?

    No. We are still evaluating this option. NUS users login using their NUSnet UserID and password.

    Are the files and communication threads backup?

    We do our regular backups on the communication threads and files but will discourage request for restore, etc.

    What is the maximum duration of history stored (both files and messages)?

    Files , and communication threads are stored for a maximum duration is of 1 year.

    Inactive teams will be removed after six months of no-activity before the start of every semester, Last  (i.e. last week of December and Last last week of July.



    TeamUp Group