Microsoft is investigating a known issue that prevents some Classic Outlook users from sending emails via Outlook.com.

Typically, Outlook error 0x800CCC0B appears when you try sending an email. You may see “Sending reported error (0x800CCC0B): The operation timed out waiting for a ...

Before we jump to the solutions, let us first understand the error. Users cannot send or receive emails from their Outlook.com account to the Outlook server. Some ...

Microsoft has disclosed a Classic Outlook bug that blocks users from sending email via Outlook.com, returning a ...

My boss has been having Outlook problems pretty much forever, problems that no matter what I do don't go away. I've tried all kinds of fixes, without success. I've tried trashing the .ost file and ...

Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...

Microsoft is investigating issues with Outlook and Microsoft 365 after users report login failures and missing emails, ...

Microsoft Outlook is a personal information manager for emails, calendars, and contacts. Outlook emails may contain crucial information, such as meeting schedules and contacts, so it is wise to back ...