Once you have uploaded your user via Excel you can send all users an invitation to join the platform.
Pro Tip: Attach a user label to the list you upload e.g. "invite". This will help you to easily select and invite the people you have just imported.
1. Go to "messages" in the left navigation and click on "+" to create a new message.
2. Click on add recipients
3. Select the people you want to invite - you can use the filter to invite the right people.
You can filter by user label, role and existing channels
4. Select a subject
5. Write your invitation message. Make sure to include the activation link as shown in the screenshot.
6. If you are ready click on "send".