Are you sending to distribution groups? They will have a +, which is normal.
Are you using any addins or macros that act when you click the Reply button?
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Hi,
While giving reply all for sending an email from outlook, some symbols like + - are added in cc. How to avoid this? please advice.
Are you sending to distribution groups? They will have a +, which is normal.
Are you using any addins or macros that act when you click the Reply button?
Are you using Outlook desktop client? If so, please make sure you have upgraded your Outlook to the latest version.
Does this issue happen to all the emails when you try to reply via reply all?
There could be some add-ins in your Outlook client that cause this issue, so it is suggested to start your Outlook in safe mode (Press Win + R, type “outlook /safe”, press Enter.) and see if the issue continues.
Corrupted Outlook template file may cause issues like this. Please try to rename the NormalEmail.dotm file and restart your Outlook client to see if it works. File location: drive:\Users\<username>\AppData\Roaming\Microsoft\Templates.