How do we handle an answer that is no longer accurate?
67555
What is the best practice 'etiquette' to tell an answer is outdated and should be updated?
117588
How do we encourage edits to obsolete/out of date answers?
103155
Does Stack Exchange allow for answers which question the validity or stance of the original question?
52067
Etiquette for suggesting a user accept a different answer?
35919
Is accepting an answer discouraging more answers?
34985
Stance on repost question instead of editing to invalidate answers?
36484
Handling answers that build heavily on (or are copied outright from) existing answers
11336
How should we deal with duplicate answers?
16653
How to deal with obsolete answers?
15431
"A wrong answer" vs "the wrong answer"
39269
What to do when someone other than the author changes a question to fix a substantive problem with the code
61269
Is it wrong to ask for a correct answer to be chosen?
29333
What to do when you find a bad link in an answer?
127498
What to do about Copy Cat answers?
94848
Change to question invalidates my answer, what to do?
133926
What if 2 answers are essentially the same?
138735
Questions with once good answers that are now out of date and need updates