What should I do if I see a late duplicate answer?
71476
How to deal with duplicate answers posted long after first answer(s)
117258
Is it ok to to delete and repost a duplicate question?
106633
What should we do when highly-voted/accepted answers are outdated/incorrect and won't be updated?
57718
Answers to a deleted question not deleted?
104285
Vanishing close-votes when the original version of a duplicate is deleted?
70613
“possible duplicate” comment should be re-added if it's been deleted
33805
Migrated question's answers can be upvoted twice by the same user
3426
What is a "closed" or "duplicate" question?
31470
Why was this question closed as a duplicate and not as unclear what you're asking?
139852
Dealing with suggested edits on question to be closed as duplicate
74028
"Duplicate of...[deleted post]"
108460
Review first post / late answers: show other answers as well
87154
What to do if an out of date question+answers already exists?
25926
Why can't I accept two answers for the same question?
19920
How can we give some boost to some really good answers that arrive late?
130608
Why can we flag/vote a question on Meta as duplicate of another question which has no accepted/upvoted answers?
16653
How to deal with obsolete answers?