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inconsistent unread email counts in Outlook for Android with a Microsoft 365 account.

We're experiencing inconsistent unread email counts in Outlook for Android with a Microsoft 365 account. Some folders contain unread emails, but their unread counts do not appear beside the folder names in the Android app. For example, NM-015 and NM-016…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-11-05T14:44:14.15+00:00
Jayla Monares 0 Reputation points
answered 2026-11-05T14:56:52.73+00:00
Ana Le 2,960 Reputation points Independent Advisor
1 answer

Outlook for Android Fails to Post Android Notification on Account Login Failure

When my account login expires and Outlook for Android needs a new token from the authenticator, it is just failing silently without posting an Android notification. The user only looks in the app when there is an Android notification so doesn't see the…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-31T21:38:18.84+00:00
commented 2026-11-05T12:02:52.0933333+00:00
Hornblower409 18,575 Reputation points
2 answers

Office 365 contacts

The contacts on my android office 365 are correct but they do not show up except for names on my windows office 365 contacts. Help.

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-23T22:57:17.0966667+00:00
Michael Meehan 0 Reputation points
edited a comment 2026-10-26T17:41:54.85+00:00
Jack-Bu 7,220 Reputation points Microsoft External Staff Moderator
1 answer

Outlook doesn't let my work mail to be registered.

Hi, whenever i try to sign in my work mail, it always show these messages: "You cannot access this right now Your sign-in was successful but does not meet the criteria to access this resource. For example, you might be signing in from a browser,…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-17T10:34:56.8333333+00:00
Aki Singh 0 Reputation points
commented 2026-10-19T15:44:47.5666667+00:00
Hani-Ng 2,835 Reputation points Independent Advisor
2 answers

No longer able to limit search to inbox in mobile app for Android

Previously I could enter a search term, then limit the search to "mail" by clicking a button at the top. Then a filter icon would appear at the top that would allow me to limit the search to my inbox (or another folder of my choosing). That…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-11T18:57:49.6433333+00:00
Jamie 0 Reputation points
answered 2026-10-13T01:38:40.7166667+00:00

AI answer

1 answer

microsoft is stopping me from adding an account into outlook on my new phone how do i sort this

microsoft is stopping me from adding an account into outlook on my new phone how do i sort this

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-06T14:20:56.8766667+00:00
David Dyson 0 Reputation points
commented 2026-10-07T11:07:19.68+00:00
Demi Nguyen 2,950 Reputation points Independent Advisor
1 answer

Outlook Email giving error on Samsung S23 and higher phones and iPhones also

I am unable to install a user email account on Outlook to some models of Samsung Phones and also all iPhones so far. I am getting an error: "Sorry, but we're having trouble signing you in AADSTS50020: User Account *******" I have deleted…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-06T16:19:18.0933333+00:00
Michael Douglas 0 Reputation points
commented 2026-10-06T19:25:57.8433333+00:00
Hendrix 2,690 Reputation points Independent Advisor
1 answer

Outlook will not authenticate on Samsung S23

I have just changed my phone from a Samsung S10 to a Samsung s23. Everything has transferred without issue using Samsung Smartswitch but my emails (the main thing I use my phone for!) will not authenticate when I try to add the account in Outlook. The…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-07T08:16:04.0966667+00:00
Suzanne Lewthwaite 0 Reputation points
commented 2026-10-06T16:04:54.5033333+00:00
Liora 3,285 Reputation points Independent Advisor
1 answer

Outlook Out of Office not working on any device

Out of office not working on any device and I tried everything within my capacity and knowledge

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-10-02T13:07:57.41+00:00
Steve Bore 0 Reputation points
commented 2026-10-03T07:33:55.6466667+00:00
Julie Huynh 4,265 Reputation points Independent Advisor
1 answer

Cannot send Outlook Calendar invites to addresses not in my Outlook Contacts

I am no longer able to send Outlook Calendar invites to addresses that are not in my Outlook Contacts. If I add a non-contact address to the Required or Optional field in the mobile app, the app will just not recognize the address and it will clear it…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-30T17:41:47.3233333+00:00
Serene Taleb-Agha 0 Reputation points
answered 2026-09-30T19:38:11.64+00:00
Ruby Nguyen 3,640 Reputation points Independent Advisor
1 answer

access https://outlook.cloud.microsoft/calendar/view/week denied error 500 and 401

I use a samsung phone, where i fill my calender. This friday it worked normal (26-09), this weekend my calender was empty. That happened before, so I went to my laptop. I updated my laptop (microsoft update) this weekend. In my favorites there is a link…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-29T10:37:06.1933333+00:00
Judith van Gool 0 Reputation points
commented 2026-09-30T11:16:40.7433333+00:00
Roebe Ta 1,825 Reputation points Independent Advisor
2 answers One of the answers was accepted by the question author.

Outlook app malfunction on my phone

I have used Outlook on my phone for more than 2 years. But in the recent past, Whenever I open Outlook email on my phone (Techno Spark 10 Pro), the app just opens well but before I start browsing through my mails, it closes. This has become a challenge…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2025-11-09T14:43:57.5833333+00:00
Ronald Mutuah 20 Reputation points
commented 2026-09-28T23:00:12.3533333+00:00
PRASAD, Rajeev (rpras57) 0 Reputation points
0 answers

Outlook Calendar on android showing 'multiple locations' and prompting me to select

My mobile Outlook calendar on android has started prompting me to select a work location by showing 'multiple locations' for each working day. It's really annoying. I've followed guidance to uncheck the sharing of my calendar with others via Outlook on…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-18T13:21:46.1266667+00:00
Aidan 0 Reputation points
edited the question 2026-09-18T13:43:11.33+00:00
Aidan 0 Reputation points
2 answers

Request to Add Read Receipt and Delivery Tracking to Outlook for Android

Hello Microsoft Outlook Team, I am a user of the Microsoft Outlook app on Android, and I would like to request an important feature: the ability to track sent emails and receive read and delivery receipts directly within the Android app. It would be…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-16T05:56:01.0333333+00:00
answered 2026-09-16T06:09:32.78+00:00
Darren Bruce 2,360 Reputation points Independent Advisor
1 answer

How to download Classic Outlook to Android

I have been endeavouring to download classic outlook on my mobile phone, without success. I am always being routed to New Outlook. I have Classic on my pc and I had it previously on my mobile, but as a result of a factory reset and now need to load it…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2025-10-20T13:44:52.2433333+00:00
David 5 Reputation points
commented 2026-09-15T04:13:32.53+00:00
Hornblower409 18,575 Reputation points
2 answers

Can't use excel or outlook mobile apps

I'm trying to sign into outlook and excel on mobile, but whenever I try I get hit with a blank white screen that I can't do anything about. So far I have made sure both my device and the apps are up to date, cleared the cache, and reinstalled both the…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-13T04:57:49.3433333+00:00
Ben Krick 0 Reputation points
commented 2026-09-15T00:34:17.2866667+00:00
Kien 1,790 Reputation points Independent Advisor
1 answer

AADSTS50020

AADSTS50020: User account [Moderator note: Personally Identifiable Information removed] The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account.

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-08-13T21:39:08.4066667+00:00
Lee Lemon 0 Reputation points
edited an answer 2026-09-11T01:28:51.3333333+00:00
Hendrix 2,690 Reputation points Independent Advisor
2 answers

Outlook not Downloading to new Google Phone

I transferred my old Google phone to a new Google 11 today along with a new tablet, switching carriers. All contents from the prior phone transferred successfully to both the new tablet and new phone. My outlook work email icon is in the new phone. When…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-05T00:35:27.98+00:00
Mike Arnold 0 Reputation points
commented 2026-09-08T13:39:18.38+00:00
Kien 1,790 Reputation points Independent Advisor
2 answers

Outlook Mobile cannot send meeting‑related email. Normal email sends fine. RSVP acceptance does nothing.

Outlook Mobile cannot send meeting‑related email. Normal email sends fine. RSVP acceptance does nothing. I’ve already removed ActiveSync, reset Outlook Mobile, cleared calendar storage, and tested with a new calendar. I need a mailbox‑level calendar…

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-08-05T23:04:36.3166667+00:00
Richard Walker 0 Reputation points
edited a comment 2026-09-07T09:36:23.2233333+00:00
BabybooHN 3,810 Reputation points Independent Advisor
2 answers

issue to connect my professional email to outlook

I can't even add it also to my phone , getting some error

Outlook | Outlook for mobile | Outlook for Android | For business
asked 2026-09-07T07:44:02.55+00:00
Eden2013 0 Reputation points
commented 2026-09-07T07:48:24.15+00:00
Eden2013 0 Reputation points