You need to connect Outlook to your company’s Exchange Online mailbox. Many organizations now require Modern Authentication for better security. This method replaces basic passwords with more secure sign-in prompts. This article provides the steps to add an Exchange Online account using the correct settings. Key Takeaways: Setting Up Outlook for Exchange Online File > … Read more
You see an error that Outlook cannot connect to your Exchange server. This prevents you from sending, receiving, or accessing your mailbox. The problem is usually caused by network settings, a corrupted Outlook profile, or server-side changes. This article provides a systematic method to identify the exact cause of the connection failure. Key Takeaways: Diagnosing … Read more
You may need to disable Cached Exchange Mode in Outlook to connect directly to your Microsoft Exchange server. This mode stores a local copy of your mailbox, which can sometimes cause sync delays or connection issues. This article explains what happens when you turn off this feature and provides the steps to disable it. You … Read more
An OST file stores your mailbox data locally when using Cached Exchange Mode in Outlook. When this file becomes corrupted, you may experience crashes, missing emails, or sync errors. Corruption can happen due to sudden Outlook closure, disk errors, or profile issues. This article provides the steps to repair or recreate a damaged OST file … Read more
Your Outlook may freeze, fail to sync, or show errors like “Cannot start Microsoft Outlook” due to a damaged OST file. This file is a local copy of your Exchange or Microsoft 365 mailbox data. This guide provides the steps to rebuild the OST file, which forces Outlook to create a fresh, error-free copy of … Read more
An oversized OST file can cause Outlook to run slowly, freeze, or fail to sync with your Exchange server. This offline data file grows as you receive emails and attachments, storing a local copy of your mailbox. This guide provides clear steps to reduce the OST file size and restore Outlook’s performance. Key Takeaways: Reducing … Read more
Your Outlook PST file contains all your local email, calendar, and contact data. If this file becomes corrupted or your computer fails, you can lose important information. Backing up the PST file creates a secure copy you can restore from. This article provides the steps to locate, copy, and verify a complete backup of your … Read more
Your Outlook may stop opening, show errors, or lose emails due to a corrupted PST file. This data file stores your emails, calendar, and contacts locally. This guide explains how to use the built-in Inbox Repair Tool, SCANPST.EXE, to fix the file and restore your data. Key Takeaways: Repairing a PST File with SCANPST.EXE Close … Read more
Your Outlook data file is growing and taking up too much space on your hard drive. This happens because Outlook does not automatically reclaim space from deleted items. This article explains how to manually compact your PST file to reduce its size and free up storage. Key Takeaways: Compacting an Outlook PST File File > … Read more
You need to transfer your Outlook emails, calendar, and contacts to a new Windows PC. Your data is stored in a local PST file, not on a Microsoft 365 or Exchange server. This article explains how to safely copy the PST file and connect it to Outlook on your new computer. Key Takeaways: Moving an … Read more