我不在办公室,我会在05/September/2011回来.Translate it into English.

问题描述:

我不在办公室,我会在05/September/2011回来.Translate it into English.
Please provide a better anaswer and explain in mandarin,
1)I am out of office and will be back on 05/September/2011.
2)I am not in office and will be back on 05/September/2011.
What is the difference between (1) and (2)?

1)I am out of office and will be back on 05/September/2011.What is the difference between (1) and (2)?"out of office" is a phrase more often used, it's more natural andcolloquial.