Getting stuck in his outbox on both his iphone and then in outlook in the office. Please include your system specs, such as Windows/Linux/Mac. As POP3) the gist is.error 550 5.1.0 authentication is required. Mac operating system is the most advanced, secure and reliable OS in the world. You can access many features in this operating system to complete your technical works.

I have a Mac computer using the OS X 10.9.1 Maverick. I have been using Outlook 2011 for Mac for 4 years.

We have ATT uverse. Today I cannot send or receive any email. I keep getting the error 17897 'Authentication failed because Outlook doesn't support any of the available authentication methods.' I have not changed anything or done anything different to my computer. The email check says there is nothing wrong with the network. So what has att done different that is messing up my email? Please advise what I need to do to get this fixed as I use this email for my work.

Still waiting for solution to incoming email problem. Still not getting anything through at all on Outlook for Mac 2011. It is coming through on iphone, ipad and the att.net site. Att had to have changed something. I did not change anything on my computer.

I was able to get outgoing messages working but incoming still gets the error 'Authentication failed because Outlook doesn't support any of the available authentication methods' 17897. There must be a change in the settings that att made with an update or something.. I need a complete list even the advanced settings that need to be made for the pop3.

I would like to get my email working. This has gone on long enough.

4.4 (88.33%) 12 votes Mac operating system is the most advanced, secure and reliable OS in the world. You can access many features in this operating system to complete your technical works. You can also access many Windows applications in the Mac.

But sometimes when you try to send or receive mails through Outlook 2011 Mac, you may get. It is a very critical error so that you cannot be able to send or receive mails.

The Outlook error 16997 in Mac comes to you mainly due to the corrupt PST files or due to incompatibility issue. You should fix this issue with the help of the manual or automatic solutions. For automatic resolution, you can use MacKeeper Tool in your Mac. Download MacKeeper Software To Fix Mac Error – 100% Tested and Virus Free Tool Causes of Mac Outlook error code 16997 – Most possible reasons for the occurring of the Outlook error 16997 in Mac are incomplete installation of the Outlook 2011 Mac, corrupt PST files, malicious or infected or corrupt mails in your inbox, corrupt PST files, misconfigured Mac file system, incompatible or outdated version of Outlook installed in your Mac, conflicts among the applications installed, etc. You can get the error as follows; Error: OK Outlook.com IMAP4rev1 server version 17.2.0.0 ready (BLU451-IMAP82) Details: Could not retrieve mail. Account name: “Outlook” Error Code: -16997 How to fix Mac Outlook error code 16997 – You can fix the Outlook error 16997 in Mac with the help of the below mentioned manual process: • First of all check the internet connection properly.

• Run a strong antivirus tool to fix virus issue. • Uninstall the Outlook and install the latest and compatible version. • Remove the malicious contents from the PST files. • Uninstall the recently installed applications. With the help of the above manual method, you may fix the issue of Mac Outlook error code 16997 properly. But it is also possible that the error may not be vanished or rectified with the manual method. So, in this case, you should download and install MacKeeper Tool to fix the issue automatically.