189 questions with Outlook | Web | Outlook on the web for business | Security tags

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4 answers

I have 100's of unfamiliar log in attempts, how can i mark them in bulk

I have received of emails today. And under recent activities, 100's are unfamiliar. How can i notify IN BULK that all are not me?

Outlook | Web | Outlook on the web for business | Security
asked 2025-12-09T22:28:20.1166667+00:00
Mark Pietras-Weed 0 Reputation points
commented 2025-12-12T15:46:03.05+00:00
Mark Pietras-Weed 0 Reputation points
3 answers

How do I sign on to my main account [Moderator note: personal info removed] on the computer if the authenticator app won't connect to that account?

Our main business account isn't able to be accessed on the computer. We were somehow able to login to this account on outlook on IOS but we are not able to login on the computer. We have the authenticator app but it won't connect to that account. Then…

Outlook | Web | Outlook on the web for business | Security
asked 2025-12-11T17:18:33.19+00:00
JT Builders Operations 0 Reputation points
commented 2025-12-11T19:37:39.11+00:00
JT Builders Operations 0 Reputation points
1 answer

how to send a message from NATO unclassified to NATO secret?

It is impossible to send any outlook mail from NATO unclassified to NATO secret, even a single test mail. Why ?

Outlook | Web | Outlook on the web for business | Security
asked 2025-12-10T14:30:49.5566667+00:00
answered 2025-12-10T17:52:34.0566667+00:00
Vy Nguyen 7,835 Reputation points Microsoft External Staff Moderator
2 answers

Malware attachment in mail

We have receive every day multiple emails in my organisation that contain malware attachments. I do not want these emails to be delivered to end users or placed in quarantine. Instead, I want them to fail during processing so the system rejects them…

Outlook | Web | Outlook on the web for business | Security
asked 2025-12-07T19:50:39.8033333+00:00
Anil Diwan 0 Reputation points
commented 2025-12-08T22:19:01.5933333+00:00
Vy Nguyen 7,835 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

E-mail bloqueado

boa noite estou com meu principal mail bloqueado ja mandei inúmeros daqueles relátorios e não recebo nenhum mail da microsoft preciso de ajuda para conseguir desbloquear estou tendo um prejuízo imenso por conta de não conseguir acessar meu mail, como…

Outlook | Web | Outlook on the web for business | Security
asked 2025-07-29T10:45:18.58+00:00
Pamella Moraes 20 Reputation points
answered 2025-12-08T17:12:06.5533333+00:00
ANILTON Monteiro 0 Reputation points
2 answers

Worked Email Hacked Today

My work email was hacked today. I signed out of all devices, but I can't get my emails. I am getting spam emails, though. Moved from: Exchange Online

Outlook | Web | Outlook on the web for business | Security
asked 2025-12-01T22:00:27.3+00:00
Amy Rzepka 0 Reputation points
commented 2025-12-03T06:25:10.5966667+00:00
Darren-Ng 5,800 Reputation points Microsoft External Staff Moderator
2 answers

My subdomain account got hacked

My Domain account cannot access one of my subdomains. Please help! Moved from: Microsoft Security | Microsoft Authenticator

Outlook | Web | Outlook on the web for business | Security
asked 2025-11-29T03:33:13.6+00:00
FidgetWidget911 0 Reputation points
answered 2025-11-29T22:20:52.4333333+00:00
Ryan-N 8,400 Reputation points Microsoft External Staff Moderator
4 answers

our account is under attack causing us to no longer be able to login to outlook etc.

Our account appears to be under attack causing us to be logged out of our accounts. we have reset password several times but continue to be logged out. Moved from: Microsoft Security | Microsoft Authenticator

Outlook | Web | Outlook on the web for business | Security
asked 2025-11-13T16:35:19.02+00:00
Spectrum Security 0 Reputation points
edited an answer 2025-11-24T22:47:03.27+00:00
Hani-N 5,515 Reputation points Microsoft External Staff Moderator
1 answer

Our email has been hacked

Dear Microsoft support Team, We come from PII REMOVED and we currently use Microsoft 365 Business Standard. PII REMOVED Our email has been hacked On Thu, 23 Oct 2025 11:58:15 they jump to our conversation and change bank account info! Can your team…

Outlook | Web | Outlook on the web for business | Security
asked 2025-10-31T08:23:04.5733333+00:00
Hau Vo Dong 0 Reputation points
answered 2025-10-31T08:47:01.0566667+00:00
Vicky-I 6,215 Reputation points Microsoft External Staff Moderator
1 answer

How to handle Outlook Web login security warning when using a company’s custom SSL certificate?

Hello community, Our team recently configured Outlook on the web for business under a custom domain (example:Remove PII). After setting up SSL/TLS on our mail server, some users are seeing a browser warning about “mixed content” or “untrusted…

Outlook | Web | Outlook on the web for business | Security
asked 2025-10-29T08:40:26.2333333+00:00
Mai Đạt 0 Reputation points
commented 2025-10-30T14:57:35+00:00
Allison-H 5,040 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

How can a user delete security info that is not correct if unable to verify account at login?

A user is unable to delete incorrect security info (phone number) because they cannot login. I can see the incorrect phone number through Azure admin, but I am unable to delete a phone number for them.

Outlook | Web | Outlook on the web for business | Security
asked 2025-10-22T22:40:17.9966667+00:00
Brock Davis 20 Reputation points
accepted 2025-10-24T16:36:31.0166667+00:00
Brock Davis 20 Reputation points
16 answers

Sign in -Security key from Ledger Flex FIDO 2

Hi , the problem to use for sign in -security key from ledger Flex , FIDO 2 , Microsoft doesn’t recognize this device when i try to connect device with security key

Outlook | Web | Outlook on the web for business | Security
asked 2025-08-04T15:57:11.84+00:00
TimaxArt 0 Reputation points
answered 2025-10-20T11:47:10.6066667+00:00
randsu 0 Reputation points
1 answer

MSFT Co Pilot

Trying to download a file from an external sender and cannot due to a prompt from MSFT 365 co-pilot prompt telling me I'm not signed in?

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-29T15:54:41.7233333+00:00
Robert Cahill 0 Reputation points
commented 2025-10-08T21:36:58.93+00:00
Hani-N 5,515 Reputation points Microsoft External Staff Moderator
1 answer

E-mails importantes estão indo para a pasta de Lixo Eletrônico no Outlook"

Estou enfrentando um problema no Outlook onde e-mails legítimos de remetentes conhecidos estão sendo movidos automaticamente para a pasta de Lixo Eletrônico. Já revisei as regras configuradas e marquei os remetentes como confiáveis, mas o problema…

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-26T19:12:12.8266667+00:00
Martinho Rodrigues Lima 0 Reputation points
commented 2025-10-02T16:09:41.9633333+00:00
Ryan-N 8,400 Reputation points Microsoft External Staff Moderator
1 answer

E-mails importantes estão indo para a pasta de Lixo Eletrônico no Outlook

Estou enfrentando um problema no Outlook onde e-mails importantes de remetentes conhecidos estão sendo movidos automaticamente para a pasta de Lixo Eletrônico. Já revisei todas as regras configuradas e não identifiquei nenhuma que justifique esse…

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-26T21:48:57.3+00:00
Martinho Rodrigues Lima 0 Reputation points
commented 2025-10-01T21:42:43.8533333+00:00
Jay Tr 6,310 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft buissnes account problem

Subject: Urgent Assistance Required – Locked Microsoft Business Account Dear Microsoft Support Team, I am writing to urgently request your assistance regarding an issue with my Microsoft Business Account, which became locked over the weekend. In addition…

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-20T15:01:24.69+00:00
Andreas Liolis 20 Reputation points
answered 2025-09-20T18:31:10.32+00:00
Micky Avidan *** מיקי אבידן 16,366 Reputation points MVP Volunteer Moderator
1 answer

i am unable to login to my account due to not having access to the number for the two step verification step

i no longer have access to the number used for sms & calling and i am unable to get into the account without getting pass the two step verification process t update the information

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-10T23:46:28.48+00:00
Aric Jackson 0 Reputation points
commented 2025-09-16T23:29:54.3466667+00:00
Anonymous
1 answer

ISSUE with particular email id

Dear team,   The below email ID is not receiving mails from removed PII we already removed it from the block list, but still not working. User email ID: removed PII how to resolve this issue?  

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-09T11:07:44.4366667+00:00
NCDOE Pune IT Support 0 Reputation points
commented 2025-09-16T05:54:52.4033333+00:00
Jade Ng 6,390 Reputation points Microsoft External Staff Moderator
2 answers

Phone number

How can I change the phone number that's connected to my email account

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-08T15:04:56.71+00:00
Celina Sais 0 Reputation points
answered 2025-09-11T21:42:40.84+00:00
Kristen-L 7,355 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How can I set up Application Passwords when organization doesn't let me disable MFA

I am trying to add an authentication method through the security tab but there is no way of selecting it: However, for this to work, MFA should be disabled. I tried to disable it but it does not allow it: This is application password is needed for me…

Outlook | Web | Outlook on the web for business | Security
asked 2025-09-04T16:22:10.8033333+00:00
Reneta Trifonova 40 Reputation points
accepted 2025-09-11T09:21:44.91+00:00
Reneta Trifonova 40 Reputation points