Turn Off Advanced Threat Protection in Outlook.com

This worked for me (Jan 29, 2019):

• Sign in to https://outlook.live.com
• Click on the “Manage premium” icon (diamond icon)
• Click "Premium" then Security.
• Toggle the switch off under "Advanced Security"

Good luck!

Alex

I get all that and it did work. However it has to be done at a desktop or a laptop not an Android phone. I normally use my Android phone all the time now and rarely use a desktop. And I normally use the Outlook app to access my emails. If you log into a browser on the Android phone, you will not get access to those choices. It must be done at a computer and that's what I was originally doing wrong. I just wanted to pass this info along.

To provide the best protection for your account, Safelinks are on by default. You can turn them off by signing in to https://outlook.live.com. Then select Settings > Premium > Security. There's a toggle under Advanced Security that you can use to turn off Safelinks. Note that turning off Safelinks will only affect future messages you receive. It won't change the link format in messages you've already received.

How frustrating that youre not able to send your message. My attempt worked seamlessly. Delete, then srart from scratch?

More sad news.  While they managed to disable the Safe Links feature on my account, there still exists their safety tips feature.  See:

https://www.petri.com/exchange-online-protection-safety-tips

https://support.office.microsoft.com/en-us/article/Enable-or-disable-safety-tips-in-Office-365-f09668bd-fe1a-4c01-89e3-e88c370e66c7

 Their Exchange server will add tags to an e-mail that triggers the client (Outlook 2016) or modifies the content of an e-mail (for other clients) to insert "mailtips" of varying alert levels.  Yep, more modification of e-mails.  Sometimes when I attempt to reply, OL2016 would interfere by refusing to let me reply until I click on an infobar warning be about a /potential/ phish e-mail.  On those flagged e-mails, I have to click on the infobar to allow the content (links) before I am allowed to reply.  There is no setting within OL2016 to disable this, um, feature.  Peculiarly, their Exchange server was flagging e-mails from their Outlook support team (who disabled the Safe Links feature) as a phish e-mail.  Hoisted on their petard.

Users of school or corporate accounts can go to https://protection.office.com to disable both safe links and safety tips.  That is not an option for users of free Hotmail/Outlook.com accounts where changing policy settings in an account must be requested to and performed by a sysadmin.  

I've submitted a request for them to disable EOP (Exchange Online Protection) on my account, specifically the safety tips feature (safe links already got disabled).  No way for me to test if they accomplish that request since getting interfered on replies with a warning about a potential phish e-mail is erratic.  Those e-mails do not get moved into the Junk folder.  They are delivered in the Inbox folder but with a red safety tip that they might be phish e-mails.  That I no longer see the mailtip could mean they disabled the safety tip EOP feature or that their Exchange server has yet to detect another incoming e-mail as a phish candidate.

I have a Hotmail account and that's the one they, so far, have disabled the Safe Links feature.  Hopefully they will also disabled the safety tips feature.  I have an Outlook.com account so, oh joy, I get to submit the same requests over there, too.

I never gave them permission to MODIFY my e-mails.  I never gave them permission to redirect the hyperlinks to get processed and tracked through their Safe Links server.  I don't want a covert proxy handling my e-mail hyperlinks.  Microsoft is being rude by shoving down our collective throats a flawed security scheme at the expense of user convenience while destroying e-mail integrity.

Couldn't agree more - you totally nailed it! Awesome breakdown. Bow, by far the most substantiated contribution I've ever had the privilege to find here. Period.

P.S.: Wish a permalink to this outstanding comprehensive treatise was provided.

I agree with you. MS should have not forced this upon the customers without some sort of way to deny the usage of "safe links". For myself, it has been a pain, because many links will not work when using Outlook's safe link process. It is a pain, because that is when I need to use Chrome or some other browser to open the link. Only then will the links work.

A message to MS. Shame on you for forcing this crap down our throats. We have a name for this sort of thing in the military and it is called a "Cluster F__K!" You need to address this PDQ.