Return Receipt when e-mail is sent

20 year user moving to new platform. Flooded my junk box with advertisements now I have to search for any emails that may be of value to me that don't automatically filter to my inbox. It's a shame.

dark theme is not available with dark mode also in dark mode the writing pan is still in light mode. make it dark as well to avoid eyes irritation and save battery life as well

Outlook.com has become a failure. It would seem that 90% of the time I'm unable to send an email with an attachment as I get to notifications to say either "The following files couldn't be attached" or "this message can't be saved at the moment". If this is a lame attempt to have me use the cloud or go 'pro' it has failed. I will now go to Gmail. MS - you're becoming a legacy and not current and vital!!

BLOCK ALL ADS
I WOULD RATHER LOOK AT THIS THAN ANY ADS
STOP THE AD HARRASSMENT

Junk e-mail: why can't you allow the user to block e-mails using a wildcard and only part of the e-mail address? I receive, EVERY DAY, emails from pharmacy<something>.can and I want to block *@*.can instead of wasting my time to block every single instance, every single day

BLOCK EMAIL ADDRESSES - The option to block junk email addresses used to be on your menu along with Sweep, Move to and Delete. An update you made 1-2 years ago removed this, making it MORE cumbersome to block bogus email addresses. Now I have to (1) select one or more email addresses, (2) right-click, (3) then select Block. Please restore this to the menu bar.

Hotmail/Outlook- Mail > Subscriptions > I can not delete newsletters I did not subscribe to
Under my settings>mail>subscriptions - there is a ton of newsletters/junk email/spam that I never added and can not delete. I don't know how they got there and how can i remove them.

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No matter what I've tried to delete these it doesn't work - spammers latched themselves this way?

Why is obvious spam not going to Junk or being blocked. 42 emails with the same "From" and "Subject" that arrived within 120 secs to my Inbox. These should have been filtered out and deleted or at the very least sent to Junk. Why weren't they?

Events on the calendar do not appear as text, only as several dots.

QUIT PUTTING EMAILS IN SPAM FOLDER AFTER I HAVE SAID THEY ARE NOT SPAM!!!!!

Where are these folders? Did Microsoft change something the week of April 9th 2018??

Safe Senders all deleted and cannot save new ones!!

Please give us the option of one click to select the "block domain" option from our Inbox. Thanks!

unsubscribing from subscriptions. It would be good to have the ability to unsubscribe from multiple subscriptions, especially when they were added through a junk email. Also, removing any subscription automatically that is linked to a junk email would be great.

Won't let me block .icu suffix. Lots of different prefixes - I can't block them all.

Need to be able to block anything from .icu to avoid large levels of spam.

My mailbox is still not receiving email after deleting a bunch of emails yesterday. What's the deal and how do I get my mailbox/account active again?

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I am looking at Office 365 as a viable alternative to Google Apps. One of the most useful features of Google Calendar is that I can have multiple reminders specified. So for instance my default is to receive a reminder 2 weeks ahead, 1 week ahead, 2 days ahead and 2 hours ahead.

I can only see an option for one reminder on the Office 365 calendar and can't see how to add more. This is a serious omission. A basic calendar requirement in my opinion.