Forum Discussion
Outlook cannot send this item when replying emails, pop out window and send, sends a blank message
Hi there, we are having this random issue which is completely intermittent. Sometimes when a user replies to an email from an account external to our Office 365 Tennant a message will pop up whe...
Did you ever find a proper solution to this? I've been getting this occasionally in my environment too exactly as you describe.
For me the user had two corrupted images in their signature, it got fixed and people could reply to them as soon as I removed the corrupted images from their signature.
If there's nothing that seems corrupted then remove the signature or elements of the email you're trying to reply to until you can reply again. Trial and error to see what part of the email is causing it
If there's nothing that seems corrupted then remove the signature or elements of the email you're trying to reply to until you can reply again. Trial and error to see what part of the email is causing it