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Error: Can't read file, or Presentation cannot be opened
In the Properties dialog box, look for an Unblock button near the bottom right. If it exists, click Unblock, then click Apply, and then click OK to dismiss the dialog box. Now, attempt to open the presentation again. Right-click the file in File Explorer and select Open.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Troubleshoot print issues in Microsoft Edge
If Microsoft Edge still can't print after you try this step, go on to the next step. Step 2: Test printing from other applications. Knowing the extent of the printing issue will help you figure out the root cause.
Enable cookies - Microsoft Support
Chrome. In a Chrome window, do one of the following: In the browser address box, enter chrome://settings/content.. OR
Applies To: Lync Web App for Lync Online, Lync Web App, Lync Web App operated by 21Vianet
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app. However, Windows Security is pre-installed and ready for you to use at any time.
Find your notifications - Microsoft Support
Windows 10 puts notifications and quick actions in Action Center—right on the taskbar—where you can get to them instantly. Select Action Center on the taskbar to open it. (You can also swipe in from the right edge of your screen, or press Windows logo key + A.). Notifications at a glance
Manage web filtering for members in your Xbox family group
Select the member whose web filtering you want to configure, and then select the Web and search tile.; Under Allowed sites, enter the address for the website that you want to give the member permission to access.; Press the Enter key to submit the website. Repeat steps 3 and 4 for every site that you want to add.
Troubleshoot Microsoft Teams (free) notifications
See procedures for troubleshooting notifications in Microsoft Teams (free) on your Android, iOS, Windows and Mac devices.
Applies To: Microsoft Teams, Microsoft Teams personal
Block or allow (junk email settings) - Microsoft Support
Safe senders and recipients. Safe senders are people and domains you always want to receive email messages from. Safe recipients are recipients that you don't want to block, usually groups that you’re a member of.
Applies To: Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
POP, IMAP, and SMTP settings for Outlook.com
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.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check ...