Reviving old questions
100754
"I know this question is like two years old but..."
102097
How to find all questions that were duplicates of another question?
86188
Get attention to a new answer to an old question
152270
Answering comment-answered questions
137347
How to ask multiple similar but different questions?
138735
Questions with once good answers that are now out of date and need updates
117588
How do we encourage edits to obsolete/out of date answers?
145092
What should we do with old, very popular closed questions?
83017
Is there a way to tag a question as old or outdated?
94974
Asking similar questions - process?
15852
Posting and answering questions you have already found the answer to
140926
Can I re-ask a question if it hasn't been answered?
61416
Should I vote to close old questions?
82565
How to reopen a question by a third party
108220
Custom question lists: finding questions you can answer
71206
Suggestions for editing old "Not constructive" question into constructiveness so that it can be preserved
127896
When to ask multiple questions in a single post ? (Revisited)