Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If you have those subscriptions and are not seeing Copilot in these Microsoft 365 apps, follow these steps: Important: Copilot in Outlook only supports work or school accounts, and Microsoft accounts using outlook.com, hotmail.com, live.com, and msn.com email addresses at this time.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

Encrypt email messages. Outlook for Microsoft 365 Outlook 2021 Outlook 2019 Outlook 2016. When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Outlook for Microsoft 365 Outlook 2021 Outlook 2019 More... Use automatic (Out of Office) replies from Outlook to tell people you won't be responding right away to their email messages. Start guided support. Or, select a tab option below for the version of Outlook you're using.

Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.