Yet I think there are things that can help you archive messages.
- Save link of the certain message by:
- First, right click on the #{number} on the top right of the post.

- Then, select "Copy Link Address". then simply archive that link and put some title on your note depending on what do you think why is it helpful for you
- Or, simply use Screenshot/Snipping Tool and manually crop and save posts that you find useful.
It looks like the OP has got the right answer at this time. This step does not require a bookmark bar but only requires some space in the notepad to save. Saving post links with specific titles will also be very helpful to find posts on threads that you only watch at a glance. A little advice for OP, make a number of different categories so you can easily select them when needed and I think this is a good step to get references.