了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

Some apps use the video platform that's built into Windows 11. These include Universal Windows Platform (UWP) apps that come with Windows 11, such as Microsoft Edge, Photos, and Movies & TV, as well as many third-party video apps you get from Microsoft Store (for example, Hulu, Netflix, and Vudu).

If you’re not signed in. To clear a single search from history, on the Search History page, click the X next to the search you want to delete. To clear all of your search history, on the Search History page, under Change history settings, click Clear all.This deletes any search history on this device.

After you send an email message, you might want to find that email and resend it or forward it to someone else. Outlook stores your messages in the Sent Items folder.If you don't see the Sent Items folder, you may need to change your Outlook settings.. You can find your Sent Items folder in your folder list.

If you're having trouble using the Outlook for Android mobile app, Open an in-app Outlook support ticket. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin.

Wichtig: Sie sollten die Anzahl der Administratoren auf Ihrem Windows-Gerät begrenzen, da Administratoren die vollständige Kontrolle über das System haben.Administratoren können Einstellungen ändern, Software installieren und auf alle Dateien zugreifen. Wenn zu viele Personen über diese Zugriffsebene verfügen, kann dies zu Sicherheitsrisiken wie der Installation von Schadsoftware oder ...

Save to a file - You can save your recovery key as a plain text file on any device. If you need that file in the future just open it with any text editor like Notepad or Microsoft Word and you'll be able to read the key.

Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.