What a distribution group does and when to use one
A distribution group in Outlook is a single email address that sends messages to multiple people at once. Instead of typing ten names into the "To" field, you type one group name, and Outlook delivers your message to everyone in that group. Distribution groups live in your Outlook contacts or in your organization's directory, depending on whether you create a personal group or ask your IT department to create one for your whole company.
You use a distribution group when you email the same set of people regularly — a project team, a department, a committee, or a group of friends. Once the group exists, sending to all of them takes one click instead of hunting through your contacts.
Key Takeaways
- Personal distribution groups live only in your own Outlook and work on your computer or in Outlook on the web, but not on your phone.
- To create a personal group in Outlook desktop, go to Contacts, select New Contact Group, add members, and save it with a name.
- To create a group in Outlook on the web, go to People, select New Contact Group, add members by typing their names or email addresses, and save.
- Organization-wide distribution groups require your IT department or administrator to create them, and they work across all devices and email clients.
- You can edit a group after creating it by opening it, adding or removing members, and saving the changes.
Creating a personal distribution group in Outlook desktop
Open Outlook and go to the Contacts section at the bottom of the left sidebar. Click the New Contact Group button in the ribbon at the top. A new window opens with a blank group form.
Type a name for your group in the Name field — something clear like "Marketing Team" or "Monthly Lunch Group". Then click Add Members and choose Add from Outlook Contacts. A dialog box appears showing your contacts. Click each person you want to add, then click Members to move them to the group. Click OK when you are done adding people.
If someone is not in your contacts yet, click Add Members again and choose New Email Contact. Type their name and email address, then click OK. They are added to the group and saved as a contact at the same time.
When all members are added, click Save & Close. The group now appears in your Contacts folder and is ready to use. To send an email to the group, start a new message, type the group name in the "To" field, and Outlook will recognize it.
Creating a distribution group in Outlook on the web
Sign into Outlook on the web and click People in the left sidebar. Click the New Contact Group button near the top of the page. A form appears asking for a group name.
Type your group name and click Add Members. A search box opens. Type the name or email address of the first person you want to add. Outlook shows matching contacts — click the person's name to add them. Repeat this for each member. You can also paste a list of email addresses separated by semicolons if you have one ready.
Once all members are added, click Create. The group is saved and appears in your contacts. On the web, you can use this group to send messages right away. If you use Outlook on your phone, the group will not appear there — personal groups created on the web or desktop do not sync to mobile devices.
Creating an organization-wide distribution group
If you need a distribution group that works across your entire organization, on all devices, and persists even if you leave the company, you cannot create it yourself. Contact your IT department or email administrator and ask them to create a distribution list or distribution group. Give them the group name and the list of people who should be members.
Organization-wide groups are stored in your company's directory, not in your personal contacts. Once created, anyone in your organization can find and use the group by typing its name in the "To" field. These groups also work on phones, tablets, and other email clients, unlike personal groups.
Your IT department can also set rules for the group — for example, who can send messages to it, whether members can see the full member list, or whether new members are added automatically based on their job title or department.
Editing or removing members from a group
To change a personal group after you create it, open Outlook and go to Contacts. Find the group name and double-click it to open it. Click Add Members to add new people, or click a member's name and click Remove to delete them from the group. Click Save & Close when you are done.
If you want to delete the entire group, right-click the group name in your Contacts folder and select Delete. The group is removed, but the people in it remain in your contacts.
For organization-wide groups, only your IT department or the group owner can add or remove members. Contact them with the changes you need.
Troubleshooting common issues
If you create a group in Outlook desktop but cannot see it in Outlook on the web, this is normal — personal groups do not sync between versions. Create the group in whichever version you use most often. If you need the group everywhere, ask your IT department to create an organization-wide group instead.
If you type a group name in the "To" field and Outlook does not recognize it, make sure you saved the group and that you are in the right Outlook account. Personal groups are account-specific — if you have multiple email accounts in Outlook, a group created under one account will not appear when you are composing from another account.
If a group stops working after you update Outlook, restart the application. If the problem continues, delete the group and recreate it. Corrupted groups are rare but can happen, and recreating them usually fixes the issue.
Frequently Asked Questions
Can people outside my organization be in a distribution group?
Yes, if it is a personal group. You can add anyone's email address to a personal distribution group, whether they work at your company or not. For organization-wide groups, your IT department sets the rules — some allow external email addresses, others do not.
What happens if I delete someone from a group?
They are removed from the group and will not receive messages sent to that group address going forward. They remain in your contacts as a separate contact. If you delete them from your contacts too, you can still add them back to the group later by typing their email address.
Can I send a message to a group and hide the member list?
In personal groups, no — anyone who receives a message sent to the group can see all the other members by looking at the "To" field. Organization-wide groups can be set to hide the member list, but only your IT department can configure this setting.
Do distribution groups work on my phone?
Personal groups created in Outlook desktop or on the web do not appear on phones. Organization-wide groups created by your IT department do work on phones, as long as your phone's email app supports them — most do.
Can I create a group that automatically adds new employees?
No, not with a personal group. Organization-wide groups can be set up with automatic membership rules by your IT department — for example, all people in the Sales department, or everyone hired in the last year. Contact your IT team to set this up.