How to get messages from closed IMAP account from local cache

Question

I have an IMAP account which is closed, so I cannot connect to it anymore. I've got all the messages on my computer since I chose the option "Keep copies of messages for offline viewing" in account settings.
Is there an easy way to convert the cached version on my computer to my new IMAP account?
I've tried just dragging the to the folder where the local mbox files are kept, but it fails. Looking at the info.plist files in each folder I found the following xml nodes where present in the IMAP ones <key>UIDNEXT</key> and <key>UIDVALIDITY</key> and that deleting them from the info.plist made it possible for me to just drag the mbox file to the local folder. Editing all the info.plist files seems like at huge task and I'm not sure what implications just deleting them might have? Can anybody shed some light on this please?

Answer 1

I have some small progress. I wrote this code:
<Field>                   
          <FieldLoop for='rows' in='strAdUcty'>
                <Field name='username'>
                   <Display class='Label'>
                      <Property name='value'>
                          <expression>
                              <block>
                                   <invoke name='get'>
                                        <ref>rows</ref>
                                        <s>name</s>
                                  </invoke>                                     
                              </block>                                      
                          </expression>
                       </Property>
                   </Display>
               </Field>
           </FieldLoop>
</Field>This code return names of AD users, but they are "locked" in <FieldLoop> loop. How is possible to get names of AD users to another variable (or to workflow processing)?
thank you