You have access to a shared mailbox in Outlook, but Copilot cannot read its emails or suggest replies. This happens because Copilot uses a different permission model than the classic Exchange client. Standard mailbox access granted through Outlook does not automatically extend to Copilot. This article explains how permission inheritance works for shared mailboxes in … Read more
When you manage another person’s mailbox in Outlook, you may need Copilot to draft emails that appear to come from that person. Without proper configuration, Copilot will use your own identity and signature instead of the shared mailbox owner’s. This happens because Copilot in Outlook respects the same Send-On-Behalf-Of permissions that Exchange Online enforces for … Read more
When you use Copilot in Outlook to compose an email, it can automatically insert your email signature at the bottom of the message. If you manage multiple email accounts in the same Outlook profile, you may notice that Copilot inserts the signature from your default account rather than the account you are sending from. This … Read more
You need Copilot to summarize or draft replies in an Outlook thread that contains S/MIME signed messages. S/MIME signing applies cryptographic protection, which can block Copilot from reading the email body content. This article explains why S/MIME signed threads cause Copilot to fail and how to configure Outlook and Microsoft 365 to let Copilot process … Read more
You are composing an encrypted email in Outlook and want Copilot to help draft, summarize, or suggest replies. But Copilot may not work as expected when Microsoft Purview Message Encryption is active. This behavior occurs because encryption restricts how Copilot reads and processes email content to protect sensitive data. This article explains exactly what happens … Read more
You want to use Copilot in Outlook to summarize, draft, or analyze your inbox messages, but your organization applies retention policies that automatically delete or archive items after a set period. Retention policies can remove messages before Copilot processes them, causing incomplete results or errors. This article explains how retention policies interact with Copilot in … Read more
Users who rely on Copilot in Outlook often switch between Outlook on the Web and the new Outlook for Windows app. They notice that some Copilot features appear in one version but not the other. This gap causes confusion about which commands are available in each client. This article provides a direct feature-by-feature comparison of … Read more
When you work on a document that contains text in two or more languages, Copilot in Word may produce suggestions that mix languages incorrectly or apply the wrong spelling and grammar rules. This happens because Copilot detects the dominant language of the document and applies that language model to all content, even when you have … Read more
Writing equations in Microsoft Word often requires navigating the Insert tab or memorizing LaTeX syntax. Many users describe an equation in plain English and then spend time formatting it manually. Copilot in Word can convert your natural language description into a formatted equation directly in your document. This article explains how to use Copilot to … Read more
You want Copilot to automatically generate a table of contents or an index for your Word document. Copilot can create a table of contents from your headings, but it cannot generate a true index that lists specific terms and page numbers. The root cause is that Copilot works on the semantic content of your document … Read more