dmonger appends the <code class="docutils literal notranslate"><span class="pre">.bak</span></code>
suffix to the name of your current map file, then creates a new file with the
normal map name. This is a safety measure — if saving the map fails for
whatever reason, at least you have your last backup. Just remove the <code class="docutils literal notranslate"><span class="pre">.bak</span></code>
suffix from the filename and load it as a regular map file.</p>
<p>You can also save the map under a new name w