To reassemble the binary, you need to locate all parts of the original, reassemble the parts, and convert back to binary. Again, it's increasingly common for your newsreading software to be capable of doing this for you. 6.3 How to use newsgroups 6.3.1 Using a newsreader You normally access news using newsreader software. There are a variety of commercial and free packages available. Then each time you start the software, it will get all the new articles in those groups.
Some packages only get the message headers and subject lines.
This allows you to pick which actual posts you're interested in, and which the newsreader should fetch the article bodies for. This is more efficient and saves bandwidth and time. Similarly some newsreaders set a limit of the maximum article size they will automatically fetch. The newsreader will then ignore any such posts. If you are accessing the Internet from home or over a modem line, make sure you use a package that allows off-line reading.