NOTE: These steps need to be performed under the admin account of your workspace.
When you are attempting to connect an Office 365 account to the platform and are greeted with this message after signing in.
You will either need to login under the admin account of your workspace or have the admin of your workspace approve this connection. To do this.
1. Sign into your Office365 administrator account.
2. Click Settings > Org Settings.
3. In User consent to apps, ensure checkbox is ticked.
4. Click Save Changes.
Once done, you will need to sign in again and repeat the initial connection process and you should be able to get connected right away.