Apologies ~ E-mail Writing
I’m sorry to have troubled/inconvenienced you.
I’m sorry that I didn’t get back to you sooner/earlier.
I’m sorry for making such a careless mistake.
I’m sorry for having kept you waiting so long.
I’m really sorry for having made such a thoughtless comment.
Sorry for the long delay in replying to your e-mail.
I apologize for having caused you so much trouble.
I would like to apologize for having taken so much of your time.
Please forgive me for my late reply/response.
Please forgive me.
Of course I forgive you.
I’m willing to forgive you.
Let’s put this incident in the past and move on.
After all, it’s not a big deal in the grand scheme of things.
I think that I’m partly to blame, too.
You’re not the one to blame.
Please don’t blame yourself.
It isn’t completely your fault.
It wasn’t your fault.
I’m sorry I wasn’t able to make it to your party last night. My boss called late in the afternoon and asked me to help finish an urgent project. I tried calling you but wasn’t able to get through. Anyway, I hope everyone had a great time. Please accept my sincere apologies
Sorry for the delay in replying to your e-mail. I looked over your suggestions, and I think most of them are feasible. If you don’t mind, I’ll forward a copy directly to the head of the budget committee. He might contact you if he has any questions. Keep up the impressive work.