The first thing that comes to mind is an XML configuration file, something along the lines of the following.
<tasks>
<task id="1">
<step1>true</step1>
<step2>true</step2>
<step3>true</step3>
<step4>true</step4>
<step5>true</step5>
<step6>true</step6>
</task>
<task id="2">
<step1>true</step1>
<step2>true</step2>
<step3>true</step3>
<step4>true</step4>
<step5>true</step5>
<step6>false</step6>
</task>
</tasks>