When you try to send an email as another user in Outlook, the message bounces back with a 5.7.1 error and a message that you do not have permission to send as that mailbox. This error occurs because the sending account lacks the required Send As permission on the target mailbox in Exchange Online or … Read more
When you have multiple email accounts configured in Outlook, every new message defaults to the primary account listed in your profile. If you frequently send from a secondary account — such as a work alias, shared mailbox, or personal address — you must manually switch the From field each time. This happens because Outlook assigns … Read more
You sent an email with a read receipt request in Outlook, but the receipt never arrived. This usually means the recipient declined the receipt or their email client suppressed it automatically. Outlook does not show a clear notification when a read receipt is blocked, which leaves you guessing whether the message was read. You can … Read more
You need to save an Outlook email as an MSG file, but the attachments must remain inside the file exactly as they appear in your inbox. The MSG format preserves the full email structure, including inline images and file attachments, unlike plain text or HTML exports. This article explains the correct method to save a … Read more
When you open your Outlook Drafts folder and see items marked as encrypted that you cannot read, the messages are often partially saved drafts that were encrypted during creation or transfer. This issue commonly occurs when Outlook crashes or loses connection while composing a message with encryption enabled, leaving the draft in a locked state. … Read more
Outlook reactions let you respond to an email with a thumbs up, heart, laugh, or other emoji without sending a full reply. This feature works inside the same Microsoft 365 tenant but can break when recipients use older Outlook clients or third-party email apps. The reactions may appear as inline text, fail to render, or … Read more
When you attach a file in Outlook, the Insert > Attach File dialog shows a section labeled “Recent Files.” This list displays files you have recently attached, not files you recently opened in other applications. Over time, this cache can become cluttered with outdated or incorrect file references. The cache is stored in a Windows … Read more
Outlook stores server-side rules in your Exchange mailbox. Each mailbox has a hard 256 KB storage limit for these rules. When you cannot create or save a new rule, the error message usually says you have exceeded the maximum rule size. This article explains why the 256 KB limit exists and shows you how to … Read more
Manually moving emails to a specific folder and then marking them as read takes two separate actions. This slows down your inbox processing, especially when you handle dozens of messages per day. Outlook Quick Steps allow you to combine these two actions into a single click on the Home ribbon or with a keyboard shortcut. … Read more
You manage email for yourself or your organization and need to decide between Outlook Inbox Rules and Exchange Transport Rules. Both automate message handling, but they operate at different layers and serve different purposes. Outlook Inbox Rules run on your client after delivery, while Exchange Transport Rules act on messages during transit on the server. … Read more