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Set up an Outlook account on the iOS Mail app - Microsoft Support
Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Office 2021, Outlook 2021 for Mac, Office 2021 for Mac, Outlook 2019, Office 2019, Outlook 2019 for Mac, Office 2019 for Mac, Outlook 2016, Office 2016, Office 2013, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Outlook.com, Office 365 operated by 21Vianet - Admin, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook Web App
My Outlook.com account has been hacked - Microsoft Support
If contacts have been deleted, you might be able to restore them. See Delete contacts or restore contacts in Outlook.com.. Step 5: Help prevent future hacks. To prevent your account from being hacked in the future, see Help protect your Outlook.com email account.. How did a hacker get my password?
Applies To: Outlook.com
Remove specific prevalent malware with Windows Malicious Software ...
Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
How to sign in to MSN - Microsoft Support
By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN and to take that experience with you on every device, including the MSN website and the MSN apps.
How do I report phishing or junk email? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: Outlook for Android, Outlook for iOS
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
My camera isn't working in Microsoft Teams - Microsoft Support
If you are having trouble with the camera in Microsoft Teams, we have some suggestions to help you get back on track. Solutions include: closing camera-related apps, updating device drivers, checking privacy settings.
Applies To: Microsoft Teams
Outlook training - Microsoft Support
Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
KB4457951: Windows guidance to protect against speculative execution ...
Summary. Microsoft is aware of new variants of the class of attack known as speculative execution side-channel vulnerabilities. The variants are named L1 Terminal Fault (L1TF) and Microarchitectural Data Sampling (MDS).An attacker who can successfully exploit L1TF or MDS may be able to read privileged data across trust boundaries.
I receive a 550, 553, or relay-prohibited error when sending email ...
Junk email and open relays. Unsolicited commercial email is sometimes called junk mail or spam. The main reason that junk email continues to increase in volume is that it costs the person who sends it virtually nothing to send; in fact, the senders don't even have to send the junk email through the SMTP (outgoing) email server of their own ISP.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013