|  In archive mode you can"t make any changes with the tasks.   To place task to archive use following steps: 
           Right click on required task on Task List, Task Tree or Calendar grids Select "Move to archive" from drop-down list  
  OR   
  OR  
  After that selected task will disappear from your Task List.   To return it from archive use following steps:  
         Select main menu command [File -> Archive mode] 
  Right click on required task on Task List, Task Tree or Calendar grids  Select "Restore from archive" from drop-down list  
  OR  
  OR  
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