I’m off to a conference

English as a Second Language English Vocabulary, Grammar and Idioms
1

“I’m off to a conference at the end of the month – Thursday 22nd until Tuesday 27th.”
What is the meaning “I’m off to a conference.”?

2

I’m going to a conference. I will be at a conference. I won’t be at the office.[YSaerTTEW443543]

TOEIC listening, photographs: Workers talking[YSaerTTEW443543]