Press Ctrl + Alt + Del, or right-click taskbar.

Use this when Outlook is used by more than one process.

You can try the following solutions that will enable you to Overcome the Error Microsoft Outlook Not Responding When Sending Email in Outlook 2007, 2013: #Tip1: Outlook.exe Process End:

Conflicts of other programs with MS Outlook.

Conflicts of antivirus programs with MS Outlook.

Corrupted/Damaged Outlook’s data file or files.

Outlook program is in use by more than one process.

The Mac version is alsa deals with any kind of Mac Outlook issue.ĭownload Now Purchase Now Common Causes for Error: Outlook Not Responding When Sending Email

In addition SysTools also provide the Mac version of this tool that is known as Mac Outlook Recovery Tool. Therefore, you can try SysTools Outlook PST Repair tool for one-stop solution. Quick Fix: In most of the cases, the main reason behind this error is corruption in Outlook data file (. This error is a frequent one if Outlook program hangs/freezes while sending mails.

There are other causes too for this error.

Additionally, any advanced security setting in any anti-virus program prevents Outlook from functioning aptly.

But, mailbox size keeps on increasing with constantly adding up items thus struggling to give smooth access to mailbox, eventually ending up as “Microsoft Outlook not responding when sending email” error. Outlook archives Inbox mails for mailbox’s size reduction.

As Outlook’s add-ins do not turn to be reliable sometimes leading to the wrong functioning of the program.

Let’s see some reasons resulting in “Outlook-not-responding-after-sending-email” error. Outlook is advanced yet complex emailing application.

Outlook 2019 hangs on processing