Outlook Client For Mac Os Does Not Open

Updated: March 2018

Unable To Open Outlook In Mac

  1. To work around this issue, run Outlook for Mac 2011 on Mac OS X Yosemite (version 10.10) or an earlier version.' Microsoft Outlook 2016 users are also encountering the same problems.
  2. Many users have reported that Microsoft Outlook for Mac keeps asking for the password of their Office 365 account. Thanks to readers of my blog, we have finally fixed the issue for most users. For others, we have at least a temporary workaround until Microsoft provides a fix.

Office 365 Commercial customers can get the new Outlook for Mac by accessing their Office 365 Portal, (Gear icon > Office 365 Settings > Software > Outlook for Mac icon) or visiting the Software page Office 365 consumer subscribers can get the new Outlook for Mac by going to their My Account page.

What customers are asking

Cannot open outlook on mac
  • Pick a question

1. Open Outlook 2016 for Mac.

2. Select View > Sidebar.

1. In the sidebar, choose the Sent folder.

2. Select Organize > Arrange By > To.

Error code 3253 means that your connection to the email server failed or was dropped. You might need to update your version of Outlook.

Outlook On Mac Not Working

1. In Outlook, click Help > Check For Updates.

2. If an update is found, download and install it.

3. Restart Outlook.

4. If the problem continues, click Help > Contact Support.

You might be offline. On the Tools tab, make sure the Online/Offline toggle switch is set to ON.

If the problem continues, your message might have an attachment that's too large to send. See Email doesn't send.

Most popular topics

Topics by category

Troubleshooting

Signatures, BCC, and Messages

Ssh Client For Mac Os X

Calendar, Meetings, and Appointments

Gmail, iCloud, IMAP, and POP

Submit suggestion
Send your idea to the product team

See Also