Policy for flagging a question as off-topic when it already has an answer
130478
When should I flag off-topic questions for migration?
97874
Notify when my question has been linked from another question
110010
When should the "Not an Answer" flag be used?
103155
Does Stack Exchange allow for answers which question the validity or stance of the original question?
105209
Auto-protect questions that get more than N answers from new users in a 24-hour period
87154
What to do if an out of date question+answers already exists?
140926
Can I re-ask a question if it hasn't been answered?
133816
Why aren't all Stack Exchange sites available when flagging a question as off topic?
25324
Flagging a deleted answer results in a message saying I am flagging too quickly
32895
How can I avoid asking duplicate questions?
50556
Force Accepted Answers on Questions by Inactive Users
106952
"Please ask a new question" encourages question repetition for duplicates
2507
Dismiss flags on the same posts with different validities
107875
Require the "Other" off-topic close reason to be specified
139624
Adding a way to mark answer as "partially accepted"
10293
How should duplicate questions be handled?
77790
How to deal with old questions that are off-topic and cannot be migrated?