1. I’m so sorry that I missed your email. I was so overwhelmed and completely forgot to reply to you.
2. I just accidentally came across your email, but I saw it was sent 2 weeks ago. I’m very sorry that I missed it. My answer to your question is this:
3. Sorry for not answering you sooner, I had problems with the mail and I’m currently receiving your inquiry.
4. I am sorry that I could not get back to you sooner, I had a couple of training abroad and then was overwhelmed with inquiries.
5. I sincerely apologize that I missed your email sent on the 23rd of June. I just saw it and I’ll give a response as soon as possible.
6. Apologies for missing your email. I’ll get right on it and send you the documents as soon as possible.
7. I’m very sorry I missed your email. I’ve been quite busy the last few days, but I’ll deal with your query immediately and get back to you within the hour.
8. Sorry for the late reply, I missed your message. I have been on a long holiday and obviously missed replying to you. How about I give you a call when it is convenient for you and we can discuss your queries?
9. Apologize that I didn’t get back to you earlier. Somehow, I’ve missed it. I’ll get to work on the problem right away and get back to you as soon as possible.
10. Sorry I’ve missed your email, but I can confirm that I’ve reviewed it now and I will get back to you as soon as I can.
11. I’m sorry I missed your email, I was very busy at the time. I’ll do my best to resolve your problems as soon as possible.
12. My apologies for overlooking your email.
13. Please accept my sincere apology for missing your email. I’ll take care of it right away.
14. I’m sincerely sorry for the late reply. I had server connectivity issues and I just received it.
15. I terribly sorry that I’ve missed your email. This won’t happen again.
16. Apology for missing your email. I was overseas and my schedule was quite busy and apparently, I haven’t seen your email. Regarding your inquiry, yes, we will be able to do a conference call on the 25th of November.
17. I’m training a new colleague these days and apparently, I haven’t seen your email sent a few days ago. Many apologies, I will review it and get back to you.
18. The email you sent me on May 3 has gone to spam mail. Many apologies! Regarding your inquiry, I’d be happy to hear from you today at a time convenient for you and give you more details.
19. Sorry for the delayed response. I just realized that I have missed your email.
20. I would like to apologize most sincerely for missing your email sent to me on 14th July requesting to call you. I attempted to call as soon as I realized I’ve missed it, but I was only able to leave a message via voicemail. I will look forward to hearing from you soon. You can call me at +1111.