You'll need to gather essential information from your email provider before beginning the configuration process, including incoming and outgoing server addresses, port numbers, and encryption methods. You've now conquered the email configuration mountain that once seemed daunting. By following each technical step methodically—from server settings to port configurations—you've converted a complex process into a systematic procedur
Assistance for billing and subscription management issues is available online Office email support service or by telephone during China business hours (Beijing Time), Monday through Friday. Billing and subscription management support can be accessed using the same phone number and online service request process as with technical support. The support telephone number can be found on the Microsoft 365 operated by 21Vianet portal. 2 Severity A is only available to customers who signed an advanced online service agreement with 21Vianet through a sales account manager. For billing and subscription management support, the highest severity level is B. Presales support for Microsoft 365 operated by 21Vianet provides assistance on subscription features and benefits, plan comparisons, pricing and licensing, and helps to identify the right solution to meet your business needs.
Most startup failures arise from minor configuration mismatches or outdated components. Following the above steps—from safe mode diagnostics to repairing data files—will restore functionality in most cases. You'll need to obtain certificates from trusted Certificate Authorities like DigiCert or Office email support service Let's Encrypt, then configure your mail server to accept these credentials. The installation process varies by platform—Exchange servers require importing through MMC, while cPanel hosting uses SSL/TLS interfaces. Proper certificate installation guarantees legal compliance with data protection regulations while reducing environmental impact through decreased breach remediation activities. You must verify certificate chains, update DNS records, and test connectivity across all email protocol
Sign up for a free trial of Office 365 E3 for up to 25 users and get powerful tools to support your enterprise using cloud-based productivity apps and services with advanced compliance features. If you need help downloading, installing, or activating Windows or Office, need technical support or have any account & billing related questions, select the Get help button below. Describe your problem, and we'll provide self-help or Office email support service connect you to the most appropriate support, which may include chat or request a call — we’ll call you, so you don’t have to wait. The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription. Sign up for a free trial of Business Standard for up to 25 users and experience how Microsoft 365 empowers your business to get more done from anywhere and helps keep data safe with built-in securit
If you want to learn more about our products, discuss use Office email support service cases, or get pricing information, start a chat session or call us. For more information about the availability of support throughout Office email support service the life of your product, visit the Microsoft Lifecycle Policy, and Microsoft Office and Windows configuration suppor
If you forgot your work or school password or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password. If not, select Reset password below, enter the username name for the account you're trying to reset, and select Next. Contact your admin who can retrieve the username and reset the password for your work or school account. If you have hundreds or thousands of users, see the next section on resetting passwords in bulk (maximum 40 users at a time). If you're signing in to the correct location, but still can't remember your username and password, contact your admin. When a user requests a new password, you receive a password reset request in emai
Find out more about admin roles for the Microsoft 365 admin center. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Microsoft 365 Basic now comes with 100GB of cloud storage, secure photo and file storage, secure ad-free email, and technical support. Technical support is provided in English 24 hours a day, 7 days a week, and in some cases, in local languages as noted. For the most current support phone number in your country/region, see the global phone numbers list.
The sign-in process was unable to verify your account info. Your password has a word, phrase, or pattern that makes your password easily guessable. The sign in location for Office 365 Germany is, portal.office.de. The sign in location for Office 365 operated by 21Vianet in China is, login.partner.microsoftonline.cn