Outlook on iOS sees other mail accounts

Hi!

I have installed Outlook on iOS for business mail and to my surprise it can read email accounts from tuta mail app and proton app. Why is that? I don’t use iCloud, I don’t have Apple mail, I’m not storing passwords and credentials in Apple ecosystem.

What do you mean by it can read emails from other accounts and apps? Please elaborate a lot more.

I mean Outlook app after installation is able to read my accounts names from tutanota and proton and asks me if I want to add them to Outlook. Seems like too much permissions granted for Outlook app.

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I have never seen this happen. I think you’re misunderstanding what’s actually happening and what you’re saying means.

Also, that’s a lot different than what you say in your main post. It reads almost as misinformation. I’m guessing that’s an honest mistake so I’ll give you a benefit of the doubt. Please don’t exaggerate.

Can you please explain what you’re observing more? I’m still unclear on it as it doesn’t seem possible.

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Do you mean that it is able to access your saved contacts?

No, it’s not contacts. Outlook was trying to add mail account that I’m using on the same smartphone in Tutanota app (myemail@tutanota.de) and what’s more it was trying to add custom domain „microsoft@mycustdomain.com” that I’m using through tutanota app configured to use custom domain set up on cloudflare as provider. Sorry for misinformation about proton mail (yes- proton mail account was not shown in outlook app).

It looks like tutanota app is sharing email account systemwide or something similar.

I think this is intended behavior. I had this happen with Edge once on iOS. When I opened it, it prompted me to sync with my emails which were the ones I had already Microsoft acc signed up with.

As to how they fetch this, CMIIR, iOS allows this behavior and I couldn’t find a way to disable this, though it seems like data is not shared.

You are right. This is welcome screen from freshly installed Microsoft Edge. Why it has access to my mail accounts? It’s privacy violation from the beginning. Only one of this accounts is shared through Slack app (and still - it shouldn’t be by default in iOS).

Unless you share that in English, we’d have no what we’re looking at.

Is this more clear to you? Like I said this is welcome screen from Edge browser.

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As I suspected, it’s only recognizing your accounts. It doesn’t actually have access to it by default.

Also like I said, please don’t exaggerate. You’ve been misinterpreting what you’re seeing.

Furthermore, I don’t really see this as a problem because if one is trying to be more privacy conscious, one wouldn’t even consider using Edge. It’s like asking why am I getting unhealthy by eating fast food all day and weeks on end.

This is more of a tech issue. Not a privacy issue because Edge and MSFT do not provide privacy tech or products.

It’s important to understand the distinctions here.

Stop being passive aggressive. This topic is not about pros and cons of using Outlook and Edge (read again context of installing Edge browser by me on this topic) but about possibility of any app to have access to email accounts set up on iPhone.

I don’t think this is proper behavior from privacy perspective that multiple email accounts can be listed by any app under one Apple account.

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Maybe think you’re the one about to be passive aggressive, JG in that sense is absolutely right, if you’re trying to become more privacy conscious, using edge isnt the way to go if you’re using it at all.

also I have an iCloud, gmail and proton account, none of them picked up after installing microsoft edge (iPhone 16 Pro Max, iOS 18.7.1), I am very sure it is picking them up from elsewhere, Check with other microsoft apps you have (eg. Outlook), maybe your microsoft/apple account because you may have something signed up here for them to pick up. Might also wanna check permissions that are allowed by default if necessary.

TL;DR:

  • Check Microsoft outlook or any Microsoft app picking them up or your Microsoft/Apple account/apps
  • Might wanna check permissions granted by default
  • Dont even think of using microsoft if you’re serious about privacy
  • Couldn’t reproduce the behavior

Everyone is welcome to try and reproduce it but I couldn’t

(all this confusion, reverting)

Edit: I can confirm it is picking up from what it seems to be from outlook (despite uninstalling outlook and after logging to an old outlook account) and probably other [past] microsoft apps/services, please confirm if you have those accounts on outlook or other microsoft services

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You’re supposed to respond to the comment. Not to your own post up top.

Think about what I said more in calmly. You inferring more than what was said is on you. Try to understand what I have said thus far.

Again, this is a tech issue. Not a privacy issue because it has nothing to do with nor you’re not asking about a privacy related product or a service. What part of this is confusing to you? I’ll be happy to make it clear.

All this confusing indeed. I’m not sure what’s going on either or how, still.

I will try once more to describe what’s going on to you:

  1. I have tutanota app with private mail account and with some alias mail account under custom domain.
  2. I have iOS which supposed to have strict app permissions by default.
  3. Now I’m installing Outlook to be used with business mail account.
  4. During first opening Outlook can see the name of my tutanota mail account and one of my alias mail accounts.
  5. I’m installing the Edge browser to see if this will happen again. And it is. I’m uninstalling Edge browser because I don’t need it.
  6. I’m asking why this is happening and starting to be suspicious if ANY freshly installed apps under iOS can read mail accounts names.
  7. You don’t see that as privacy problem but tell me that Edge browser is privacy invasive and I shouldn’t use that browser.

If this is still not clear than…

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until you confirm if you happen to have those accounts on some, all or most microsoft services (outlook, other apps and yes even xbox), then I will continue to support there based on my replications.

This is not the place to argue like this.

Offload every Microsoft adjacent app then uninstall it. Go to appstore and see every app under Microsoft, to make sure you don’t have any installed.

In my case I have Xbox app so perhaps it fetched from there.

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Yes, this make sense but in my case business Microsoft mail account doesn’t have any connections to tutanota mail account. Microsoft mail account was created on different hardware, used only for work and never used to login into tutanota mail account. On my work PC I’ve never logged into any private related accounts.

That’s why I assume there is something about iOS permissions.

I briefly looked it up, but couldn’t find any concrete info. Best you can do is let it slide as it’s not a huge privacy compromise, and you’re using Microsoft services anyway.

If it makes you feel any better, at androidland it isn’t any better either, pretty much every chromium browser can access your email address if it was ever logged in one of them, meaning if you logged your email address in brave and logged out, the same account will appear in chrome as well, though logged out last time I checked.

Relevant thread

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