导语：邀请信分为两种：一种属于个人信函，例如邀请某人共进晚餐、参加宴会、观看电影、出席典礼等。另一种邀请信则属于事务信函，一般是邀请参加会议、学术活动等。下面是小编为大家整理的英语正式的邀请函格式，欢迎阅读。

　　首先表明邀请对方参加的意图以及会议或学术活动的名称、时间、地点；然后要对被邀请者的威望和学术水平等表示推崇和赞赏，表明如果被邀请者能够接受邀请，会给会议或者活动带来很好的影响；接着要说明会议或活动的.相关事宜，最好是能引起对方兴趣的事宜；当然不能忘了表达希望对方能够参加的诚意；最后还要请收信人对发出的邀请做出反馈，如确认接受邀请。下面是一封邀请对方参加学术会议的信函：

　　Dear Professor Wang,

　　On behalf of the Ohio State University and the IEEE Computer Society, I would be very pleased to invite you to attend and chair a session of the forthcoming 2004 International Conference on Parallel Data Processing to be held in Bellaire, Michigan, from October 25 to October 28, 2004.

　　You are an internationally acclaimed scholar and educator. Your participation will be among the highlights of the Conference.

　　We sincerely hope that you could accept our invitation. As you know, this is

　　the 10th anniversary of the Conference and we plan to make it a truly international meeting. We have accepted many papers from several foreign countries, including two from China.

　　If you can come, please let us know as soon as possible, since we have to prepare the final program soon. We are looking forward to your acceptance.

　　Sincerely yours,

　　Peter White