I have two questions:
- How can I filter only accepted answers by OPs that are given by me from my all answer list?
- How can I filter only accepted answers by OPs out of all answers given by any user? (not necessarily important for me to know)
You can't do this in the answer list, but you can do it with the search feature.
Search the site in question using
To find all of the accepted answers on a site, simply search "isaccepted:1". To find all of your answers which have been accepted, put your user id* in there.
For all of your accepted answers on StackOverflow, you would search "isaccepted:1 user:1355763".
*Note that your user id is different on a site-by-site basis, so you will need to change the search if you want to find your accepted answers on a different site.
Note: For a site-independent search, you can use
As was pointed out in the comments, you can search for your answers that aren't accepted by changing
Related: you can search for questions with or without an accepted answer using