If you're using Outlook to connect to an Office365 Online mailbox, and always you asked for your login credentials because the Remember my credentials option is missing, then continue reading below to fix the problem.
If in your Outlook account settings, the option "Always prompt for logon credentials" is grayed out, but you want Outlook to ask you for login credentials every time you open it, continue reading below. Outlook gives you the option to always type your user name and password every time you open it, by enabling the […]
If you can't send emails in Outlook with error "503 Valid RCPT command must precede DATA" continue reading below to fix the problem. Problem in details: When you send an email message in Outlook, the message is not delivered and you receive the following error-response: "Your message did not reach some or all of the […]
If you want to learn how to change the theme color of Word, Excel applications from light to dark, or to change the background color inside the document/workbook page, continue reading below.
On Windows 7 computers, applications and services written using WinHTTP for Secure Sockets Layer (SSL) connections do not support TLS 1.1 or TLS 1.2 protocols, causing any connection to servers that support these protocols to fail.
If you're getting the Outlook error "Your server does not support the connection encryption type you have specified" when trying to connect to your mail servers using a secure connection in Windows 7, continue reading below to resolve the issue.
If you have repaired a damaged Outlook .OST file and Outlook still cannot open because the .OST file is corrupted, or if Outlook .OST file is corrupted over and over again, continue reading below to fix the problem.
If Outlook won't open because errors have been detected in the OST file, then continue reading below to fix the problem. When you use Outlook with an Exchange account, Outlook syncs and stores your Exchange email messages locally in an OST file so you can view them even when offline.
If you can't open an attachment sent to you by a trusted sender because Outlook has blocked access to potentially unsafe attachments, continue below to fix the problem.
If you cannot enable the "Use Cached Exchange Mode" option, because is greyed out, continue reading below to fix the problem. Cached Exchange Mode gives users the ability to access all their email even when they are not connected to the Exchange Server. The usual way to activate the Cached Exchange Mode
If you want to force Microsoft Outlook to download all Exchange emails locally, continue reading below. When using an Exchange account with Outlook 2019, Outlook 2016, Outlook 2013 or Outlook for Office 365. then Outlook by default, downloads locally (in the .OST file), only the recent emails and leaves on the server the oldest emails.
Outlook error 0x80040115 occurs when communication with the mail server is not possible. The error "0x80040115" occurs during the sending/receiving progress of Outlook, and usually occurs suddenly and without any changes in the Outlook program or network settings.