Creating a Facebook group takes five minutes, but the privacy settings take longer to get right

A Facebook group is a space where you and others can post, share photos, and have conversations separate from your main feed. When you create one, you decide whether it is public (anyone can find and join), closed (anyone can find it but must ask to join), or private (only people you invite can see it exists). The group settings also let you control whether members can post freely or whether you approve posts first, and whether old messages stay visible or disappear after a time.

The step-by-step process is straightforward, but the real work is understanding what each privacy choice means for your information and your members' information. Facebook stores everything posted in a group — text, photos, location tags, reactions — and uses it to build profiles and show ads. The more open your group, the more of that data Facebook can see and use.

Key Takeaways

  • You create a group by clicking the menu icon on Facebook, selecting "Groups," then "Create Group," and choosing a name, members, and privacy level.
  • Private groups hide the group name and member list from non-members, but Facebook itself still sees all posts and uses them for ad targeting.
  • Closed and public groups let anyone on Facebook search for and find your group, and their member lists are visible to anyone who joins.
  • Approving posts before they appear slows down conversation but gives you control over what information gets stored in your group.
  • Deleting a group removes it from Facebook, but Facebook may keep copies of posts for its own records.

The five steps to create a group

Open Facebook on a computer or phone. Click the menu icon (three horizontal lines on mobile, or the down arrow in the top right on desktop). Scroll down and select "Groups." Click the blue "Create Group" button.

A window will open asking for three things: the group name, the members you want to invite (you can skip this and add people later), and the privacy level. Type the name, add members if you want, then choose your privacy setting. Click "Create," and the group exists.

After creation, Facebook takes you to the group page. You will see options to add a group description, a cover photo, and rules. These steps are optional but useful — a clear description helps members understand what the group is for, and rules set expectations for what people should and should not post.

Understanding the three privacy levels and what Facebook can see

Public groups appear in Facebook search results and in the "Groups You May Like" suggestions. Anyone can see the group name, description, member list, and all posts without joining. Facebook uses all of this information — member names, post content, photos, links, location tags — to understand who you are and what you care about, then shows you ads based on that profile. A public group is useful if you want to reach people outside your existing network, but it means Facebook has the most complete picture of your group's activity.

Closed groups do not appear in search results, but anyone can find them if they know the name or if a member shares a link. The group description and member list are visible to non-members, but posts are hidden until you join. Once you join, Facebook sees all your posts and activity. Closed groups are common for hobby communities, alumni networks, or local neighborhood groups where you want some barrier to entry but do not need complete secrecy.

Private groups are invisible to non-members — the group name, description, and member list do not appear to anyone outside the group. Only people you invite can see the group exists or view any posts. However, Facebook still sees everything posted inside a private group. The privacy is between you and non-members, not between you and Facebook. Private groups work well for family, close friends, or sensitive topics where you want to control exactly who knows the group exists.

Controlling who can post and what gets stored

By default, all members can post in a group whenever they want. If you want more control, go to the group settings (click the gear icon at the top of the group page), select "Edit Group Settings," and look for "Post Approval." Turn this on, and every post from members will wait for your approval before appearing. This slows down conversation but gives you a chance to catch posts that violate your rules or that members might regret later.

You can also set rules about what members can post — for example, "No selling items" or "No political content." These rules appear when someone tries to post and help set expectations. However, Facebook does not enforce them automatically; you have to remove posts that break the rules yourself.

Keep in mind that even if you delete a post from the group, Facebook may keep a copy in its systems. Deleting a post removes it from the group page but does not may provide Facebook erased it. If you are concerned about sensitive information being stored, private groups with post approval give you the most control over what gets recorded in the first place.

What happens to group data after you delete the group

If you delete a group, it disappears from Facebook when ready. Members can no longer see it or access old posts. However, Facebook's own records are separate from what members see. Facebook may retain copies of posts, member information, and activity logs for its internal use — including ad targeting, research, and legal compliance. You have no way to verify whether Facebook deleted its copies or how long it keeps them.

If you are concerned about data retention, the best approach is to be selective about what you post in the first place. Avoid sharing sensitive personal information, location data, or financial details in any group, regardless of privacy level. The less information you put in, the less Facebook has to store.

Managing member access and removing people

After you create a group, you can add members by searching for their names or sending them an invite link. Members can also request to join if the group is closed. You can approve or deny join requests, and you can remove members at any time by clicking their name and selecting "Remove from Group."

You can also make other members into moderators or admins. Moderators can remove posts and members but cannot change group settings. Admins have full control. Be careful who you give these roles to — they can see all group activity and can change privacy settings or delete the group.

Frequently Asked Questions

Can people see I am in a group if it is private?

No. In a private group, the member list is hidden from non-members. People outside the group cannot see that you are in it. However, if you share a post from the group on your personal timeline, your friends will see it.

If I delete a post from a group, can other members still see it?

No. Once you delete a post, it disappears from the group page for all members. However, someone may have taken a screenshot or copied the text before you deleted it, so deletion does not may provide the information is gone from the internet.

Does Facebook show ads based on what I post in groups?

Yes. Facebook uses posts, reactions, and comments in groups — even private ones — to build your ad profile. If you post about a hobby or product in a group, you may see ads related to that topic later. This is true regardless of the group's privacy level.

Can I change a group from public to private after I create it?

Yes. Go to group settings, select "Edit Group Settings," and change the privacy level. However, if the group was public before, people may have already seen and shared posts from it. Changing to private only affects new visibility going forward.

What if a group member posts something I do not want associated with my group?

You can remove the post by clicking the three dots next to it and selecting "Remove Post." You can also remove the member from the group. If you want to prevent this in the future, turn on post approval so you see posts before they appear to others.