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Microsoft Authenticator: Installation on a new smartphone

Scenario: You use Microsoft Authenticator to access your Microsoft 365 account. You have changed your smartphone and you need to re-initialize the Authenticator on the new smartphone.

The procedure must be performed by the Tenant administrator.

Enter portal.office.com of the Tenant with administrative role.

Microsoft Entra

In the “Microsoft 365 Administration Center” on the left click on “Identity” (If you do not see it click on “Show All”).

At this point you will be projected into the “Microsoft Sign In Administration Center”.

On the left select “Users”.

On the right, search for the user and select it. On the user page, on the left, select “Authentication Methods”

On the new page, at the top right, there is a button “re-enroll multi-factor authentication”.


Azure Portal

Microsoft Entra user management can also be reached from the Azure portal by selecting “Microsoft Entra ID”. Then select “Users” and continue with the previous procedure.

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How to open MS office files on desktop app by default on Teams

Scenario. You have some Excel files on your Teams channels. When you open the file , it takes you to your internet browser.

To open MS Office files on the desktop app by default on Teams, follow these steps:

1. Open Microsoft Teams. On the left of your profile picture in the top right corner of the screen, there are three point.Click it
2. Select Settings from the dropdown menu.
3. Click on File and links in the left-hand menu.
4. Go to “File Opening Preferences” and select Desktop (Browser appears by default)

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Exchange Online / Microsoft 365 SMTP settings

Generic settings

  • SMTP server: smtp.office365.com
  • Port: 587
  • Requires SSL: Yes
  • Requires TLS: Yes (if available)
  • TLS version : 1.2
  • Authentication: Yes
  • Username: email address
  • Password: Your passwor

User configuration

SMTP sending is not enabled by default.

  • Log in as administrator to the account
  • Tab – Mail
  • Click on “Manage email applications”
  • Select Authenticated SMTP