Assuming your question is not about Bitbucket Server, rather this very Atlassian Answers forum, you can find all your posts by clicking on your own user name in the Your Statistics widget in the right column of the Atlassian Answers home page, or your user name on any post like your question here, i.e. eiger3970 (also works for other users of course, just try mine for on this answer for example).
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