You must have at least three user Outlook won’t sync emails solution accounts on the computer to complete these steps. If the problem doesn't occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outloo


You'll need to configure specific port ranges depending on your email protocol requirements. SMTP typically uses port 587 for secure submission, while IMAP operates on port 993 and POP3 on port 995 for SSL/TLS connections. If you use Exchange or Office 365, you can safely delete the .OST file; Outlook will recreate it from the server. Enter your username, then complete identity verification using security questions or verification codes sent to your backup contact method


The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors. Your user profile is a collection of settings that let you customize the computer appearance and performance. It contains settings for desktop backgrounds, screen savers, sound settings, and other features. User profiles help make sure that your personal preferences are used when you log on to Window


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 Outlook won’t sync emails solution 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 Outlook won’t sync emails solution cases, or get pricing information, start a chat session or call us. For more information about the availability of support throughout Outlook won’t sync emails solution the life of your product, visit the Microsoft Lifecycle Policy, and Microsoft Office and Windows configuration suppor


As your mailbox size increases, more resources are required to open each folder. If you have a large number of items in any single folder, you may experience performance issues during certain operations. For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC. The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing error


If errors persist, deleting the OST file or creating a new Outlook profile usually resolves all sync-related issues. Start by launching your email client and selecting the option to add a new account. Most modern email clients will attempt automatic configuration, but you should verify these settings manually to guarantee maximum securit


While we all use systems differently, I don’t think I have 100GB of data after working for my company almost 25 years, let alone this much email. Online archive can take 24 hours or more to complete, it depends on what you have it set to archive. Mail older than 5 years, mail older than 3 months etc. I think Online Archive may be a harder sell but we need to do it anywa


Then start the Inbox Repair Tool and select the PST file for repair. To manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of Outlook Data Files (.pst and .ost). If creating a new profile Outlook won’t sync emails solution solves your issue, you can return to the Show Profiles dialog and delete your old profile. If repairing your Microsoft 365 programs didn't resolve your issue, move on to the next step. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. To work around this issue, use an Online mode profile for your Microsoft Exchange Server mailbo


You can set it to 2TB, however once you reach 50GB on the OST the system becomes slow and non-responsive. No reason to archive 6 months onwards and try to cache 1 year, it wont work as it can only cache 6 months. Online archive is only available online too, so no caching, hence it’s name. I also do not have time to resync the entire local PST. Follow the on-screen instructions to finish updating your ap