Technic to tekkit map convertion strikes again!

[Everflight]

Hello there, im looking for some one to help me with two things!

1) Trying to make my Sp map a Mp map, I know this has come up b4 however It dident tell me what i wanted to know! (What folder do you put the file in ect)

2) If i am to convert a file will it still have item's placed in chests on the Mp?

(Want better dungons this will get me my dungons! MOO haha, without the boss guys thow :/ )

Thank you for your time!

[dir123]

Hello I'm here to ask y was there a new update, then after I update my tekkit crashed. can anyone help me plz?