If you receive the error 0x800CCC78 in Outlook Send/Receive progress, continue reading below to fix the problem. Outlook 0x800CCC78 sending error usually occurs when the SMTP server authentication is invalid or occurs due to an invalid character in the recipient address.
In the latest versions of Outlook, some users may experience the following errors when trying to print an email in Outlook: "Cannot print unless an item is selected. Select an item, and then try to print again" or "Printer not Ready", while the printer prints normally in any other application.
If you are trying to install Microsoft Office 2019 or Office 2016 on your Windows 10 PC and the Office installation fail with error "Something went wrong, Error Code: 30015-11 (-1073741790) or 30015-11 (3221225506), then continue below to fix the problem.
If you receive the error "Could not read calendar" in Outlook 365, Outlook 2019 or Outlook 2016, continue reading below to fix the problem.
Sometimes Microsoft Word may not work properly due to user modifications or changes made by other programs. In these cases, the easiest way to restore Word functionality is to reset it to the factory default settings.
The Outlook warning message "A program is trying to send an e-mail message on your behalf. If this is unexpected, click Deny and verify your antivirus software is up-to-date", is displayed when you try to send an e-mail from another program (e.g. Word, Excel or a third-party program), or because you have been infected by […]
FIX Outlook Error: You must connect to Microsoft Exchange at least once before you can use your Outlook data file .ost (Solved)
This tutorial contains instructions to resolve the Outlook error "Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The file C:\Users\…\%account_name%.ost cannot be accessed. You must connect to Microsoft Exchange at least once before you can use your Outlook data file (.ost)".
If you installed Microsoft Office 2019 or Office 2016 with a legit Office license and you receive the error "Office isn't licensed properly and you might be a victim of software counterfeiting. Stay Safe with genuine Office today", continue below to fix the issue.
If you cannot disable or enable an Outlook Add-in because of error "The add-is installed for all users on this computer, and can only be connected or disconnected by an administrator", continue reading below to resolve the problem.
If you want to change the schedule of the automatic send-receive task in Outlook, then continue reading below. By default Outlook checks for, and send new messages every 30 minutes. But, if you have to manage a lot of urgent messages during the day, you may want to set Outlook to perform the auto send-receive […]