Fix Microsoft Defender Email Reporting a Threat When App Shows None
Learn what to do if you receive a Microsoft Defender email reporting a threat, but the Windows Security app shows no issues. Verify alerts and check protection history.
Read more ›Security Issues
Clear security blocks in Office—Protected View, macros, Trusted Center, and unsafe document warnings—safely.
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2215 ResourcesHow to Recover a Hacked Microsoft Account Changed to Rambler.ru
Learn what to do when your Microsoft account is hacked and the email is changed to a rambler.ru address. Discover steps to recover your account and Office subscriptions.
Read more ›How to Fix Microsoft Authenticator Security Risks After an Outlook Compromise
Learn how to secure your Outlook account if a hacker retains access via Microsoft Authenticator after a password change by disabling passwordless sign-in.
Read more ›How to Stop Microsoft 365 Mailbox Sign-In Attempts from Multiple IPs
Learn how to stop frequent malicious Microsoft 365 mailbox sign-in attempts from multiple IP addresses by disabling basic authentication and SMTP AUTH.
Read more ›How to Verify a Suspicious Microsoft Invoice Email for $9.13
Received a suspicious Microsoft invoice email or unknown $9.13 charge? Learn how to safely verify the invoice, identify phishing scams, and stop unauthorized billing.
Read more ›Should You Use the @ Symbol When Blocking Domains in Microsoft 365 Defender?
Learn the correct format for blocking domains and specific email addresses in Microsoft 365 Defender. Find out exactly when to use the @ symbol in your block lists.
Read more ›How to Export Attack Surface Reduction Rule Results in Microsoft 365 Defender
Learn how to review and export device-level Attack Surface Reduction (ASR) rule results from Microsoft 365 Defender using advanced queries and reporting methods.
Read more ›How to Report Suspected Malware or Phishing Emails in Outlook
Learn how to safely report suspicious malware or phishing emails in Outlook.com and Microsoft 365 using built-in add-ins or by forwarding to Microsoft.
Read more ›How to Verify if an Email from eu.yammer.com is Legitimate
Learn how to determine if an email from eu.yammer.com is a genuine Microsoft Yammer message. Discover tips for checking email headers, links, and avoiding phishing.
Read more ›How to Block USB Devices on Windows 11 Using Microsoft Intune
Learn how to configure and troubleshoot Microsoft Intune device control policies to successfully block USB devices on Windows 11 computers and resolve assignment issues.
Read more ›Can a Microsoft 365 Partner Read Customer Emails? How to Check and Restrict Access
Wondering if a Microsoft 365 partner can access customer emails? Learn how delegated administrator permissions work and how to review or restrict partner access.
Read more ›Why Am I Receiving Microsoft MFA Codes from Unknown Phone Numbers?
Receiving unexpected Microsoft MFA codes from unknown or international numbers? Learn why this happens and how to secure your Microsoft account against unauthorized access.
Read more ›How to Enable Microsoft 365 Auditing and Collect Teams Logs via API
Learn how to enable Microsoft 365 auditing, register an application in Azure AD, and collect Teams audit logs using the Office 365 Management Activity API.
Read more ›Fix OneNote Web Clipper Sign-In Failure with Conditional Access Policy
Learn how to resolve OneNote Web Clipper sign-in failures caused by Microsoft Entra ID Conditional Access policies and sign-in frequency controls.
Read more ›Windows Defender vs Windows Security: Do They Scan Differently?
Learn the difference between Windows Defender and Windows Security. Discover how they share the same scanning engine to protect your PC from malware and threats.
Read more ›Allow Microsoft 365 App Downloads While Blocking External Access
Learn how to configure Microsoft Entra Conditional Access and Intune policies to allow Microsoft 365 app downloads on personal devices while blocking external access.
Read more ›Can Microsoft 365 Retention Policies Notify Users Before Files Are Deleted?
Learn why Microsoft 365 retention policies cannot currently notify users before file deletion and discover workarounds to manage document lifecycles effectively.
Read more ›How to Verify a Microsoft Account Inactivity Email and Avoid Phishing
Received a suspicious Microsoft account inactivity email? Learn how to safely verify phishing attempts, protect your Microsoft 365 subscription, and secure your account.
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