Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

Select OK.Type a password in both the Password and Verify Password text boxes and select OK again.. If you set a password, you must enter it every time that the data file is opened — for example, when Outlook starts or when you open the data file in Outlook.

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Important Because changing your Microsoft account password is slightly different than resetting a forgotten password, this page does not cover the steps to reset your account password.

Warning When removing an email alias that’s connected to a Microsoft domain (such as @Outlook.com, @Live.com, or @Hotmail.com), that email is completely deleted from our systems and can’t be used to send or receive emails. It won’t be available for use again as an alias on another account. Microsoft doesn’t recycle email addresses, so it can’t be reclaimed at a future time.

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments. CONCAT replaces the CONCATENATE function.However, the CONCATENATE function will stay available for compatibility with earlier versions of Excel.

If your organization is using multi-factor authentication (MFA) for Microsoft 365, the easiest verification method to use is the Microsoft Authenticator smart phone app.

Whether you’re creating a new document or working on an existing one, Copilot can help you move forward. In a new, blank document or upon creating new line in an existing document, the Draft with Copilot experience appears.. The description you provide can be a simple sentence or a more complex request with outlines, notes, or referenced files that you want Copilot to use.

Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.

Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.