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Some questions and answers are marked Community Wiki and are owned by a Community Wiki user.

  • Why have Community Wiki posts?
  • How do Community Wiki posts work?
  • How does a post become a Community Wiki post?
  • How can the Community Wiki status be removed from a post?

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migrated from stackoverflow.com Aug 2 '09 at 12:21

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1 Answer 1

Why have Community Wiki posts?

One of the goals of the website is to be a continually evolving source of good information. Community wiki posts help enhance the wiki aspect of the site.

For more information about the proper use of community wiki, see The Future of Community Wiki.

How do Community Wiki posts work?

Community wiki posts work by transferring ownership of the post from the original author to the community. They make the post easier to edit and maintain by a wider group of users, but they do not contribute to any user's reputation.

Some of the key features are:

  • Community wiki posts are owned by the Community User 1, not by any individual user.
  • A much lower reputation (100 instead of 2000) is needed to edit a community wiki post. 2
  • Voting on a community wiki post (up or down) does not affect any user's reputation.
  • Accepting an answer marked as community wiki does not affect its author's reputation.
  • Bounties awarded to answer marked as community wiki give reputation as usual.
  • The original author still gets badges based on community posts.
  • The original author keeps the reputation gained (or lost) before their post entered community mode.
  • The original author still receives notifications for edits or comments on the post.

How does a post become a Community Wiki post?

There are only three ways that a post becomes community wiki.

  • The answer's author checks the community wiki checkbox when composing or editing the answer. Note that this checkbox isn't available to new users. The checkbox also is not available if the question is already a community wiki. 3

  • A moderator has reason to believe that the post serves better in community wiki mode - if you believe your post should be converted to a community wiki, you may flag it for moderator attention.

  • An answer posted to a community wiki question will also be community wiki. In the past, questions could be made community wiki by their authors or by certain automatic triggers but now the only means is by a moderator converting it to community wiki. When a moderator converts a question to community wiki, all existing answers will also be converted in addition to converting future answers.

How can the Community Wiki status be removed from a post?

Moderators can remove it, when necessary.


  • Rollbacks cannot be used to remove community wiki status.

  • The Community User ¹ might appear as the last editor of a question, even a non-wiki question. This happens when it randomly pokes old unanswered questions so they get some attention.

1 See Who is the Community User?, or read the Community User’s profile.

2 The original author of a community wiki post can always edit it, even if he or she has ≤ 100 reputation.

3 Since October 2010, there is no community wiki checkbox when asking a question.

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See When should a question be marked CW? –  ChrisW Jul 4 '10 at 23:29
I see there's a FAQ on "When should a question be marked CW" saying it's no longer possible for users. But i could use some guidance on when it's useful for the answerer to mark an answer community wiki from the outset. If there's a Q on that I can't find it. –  onestop Mar 15 '11 at 11:14
Please add "Why should I mark my answer as community wiki?" Similar Q is "What types of questions or answers should be made community wiki?"meta.stackexchange.com/questions/7157/… –  Michael Freidgeim Jun 4 '11 at 0:10
Please add how this affects bounties. I answered a bountied question and improved on it more than ten times based on further research and asker input, so my answer turned CW after it was accepted. Will I get (part of) the bounty? –  user112553 Feb 21 '12 at 10:11
Huh, why is the threshold 15 answers on Super User? –  Ben Brocka Feb 27 '12 at 5:20
@Ben Lower traffic maybe? 15 answers is a lot anyway. –  slhck Mar 2 '12 at 11:29
"The original author keeps the reputation gained (or lost) before their post entered community mode." -- even after recalc?? –  Tomas Apr 23 '12 at 15:18
I don't want to lose a 500 points bounty I worked for! –  Tiberiu-Ionuț Stan Jun 8 '12 at 9:35
@Tiberiu-IonuțStan they go to the original author; some have been awarded to CW posts on Meta –  Ben Brocka Jul 27 '12 at 14:47
I hate this concept. Reputation is an important draw of SO, and the potential to lose reputation on good Q/A is lost. –  aditya menon Aug 10 '12 at 3:43
Why does one have to go to the meta "side" - to even start to find out WHAT CW is. There is Zero reference to it in the posting / markup help section, etc. yet it's front and center on EVERY question. I've been using this site for years and never knew what it was nor how to find out. After reading this I'm still not sure I understand. Lose the box.. It's placement is confusing, its purpose is muddled, and its function is obfuscated. –  alex gray Aug 28 '12 at 8:09
Jeez. I keep editing an answer just to tweak and improve it, with the result that out of the blue it transfers to community ownership and rep can no longer be gained? I like to pretend to myself that I'm not in it for the rep, but it seems like a bad incentive to quasi-punish people for editing their own answers. –  glaebhoerl Nov 1 '12 at 23:13
I heartily disapprove of the idea of Community Wiki questions+answers not contributing to the poster's reputation. Like illissius and aditya said, repuation is important. If you block users from gaining reputation just because they asked a good question, or had to make one too many changes, it will kind of defeat the purpose of reputation. I don't think that a user should have to worry about a question being "too relevant" when he/she posts it. I don't want to try to find a balance between 'abandoned question' and 'lost to Community'. Let the user make the question as good and relevant as he –  JamesTheAwesomeDude Jan 30 '13 at 18:03
It isn't accccurate to say that it's owned by Community ♦. You still can't vote on them if they're your own . ' –  Dimensio1n0 Jul 30 '13 at 13:49
I also very much disagree with the no reputation policy. –  mattblang Jan 16 '14 at 16:50

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