By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.

Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.

Hinweis: Der beste und sicherste Weg, um Treiber-Updates in Windows zu erhalten, ist immer über Windows Update.Wenn Sie Probleme mit Windows Update haben, sollten Sie zunächst prüfen, ob einer der Links unter Update Windows Ihnen weiterhelfen kann.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Splits text strings by using column and row delimiters. The TEXTSPLIT function works the same as the Text-to-Columns wizard, but in formula form.It allows you to split across columns or down by rows.

Add line numbers to an entire document. On the Layout tab, in the Page Setup group, click Line Numbers.

Erfahren Sie, wie Sie einen Windows-Product Key für die Aktivierung finden und wann Sie stattdessen eine digitale Lizenz verwenden.

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。