PUP29112');
//]]></script><span class="glosstext" id="POPUP29112" style="display: none;"> When working in MEGA’s Alignment Explorer you can choose to save the current state of all data and settings in the alignment explorer to a file so you can archive your work, or save it to resume editing in the future. An alignment session is a binary file format that is saved with the .MAS file extension.</span> 
 by selecting</font> <b><font style="font-size: 12pt; font-weight: bold;" 
								 size="4">Data</font><