Office add-ins can help you personalize your documents or speed up the way you access information on the web. For example, with an add-in you could look up items on Wikipedia or add an online map to your document without having to leave Excel.

This article explains how to zip and unzip files.

Learn how to download files or folders in OneDrive and OneDrive for Business.

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Hier erfahren Sie, wie Sie das Kennwort Ihres Microsoft-Kontos ändern oder zurücksetzen. Erhalten Sie Hilfe bei einem vergessenen Microsoft-Konto Kennwort.

How to use the PMT function in Excel to calculate monthly loan payments based on constant payments and a constant interest rate.

Gezippte (komprimierte) Dateien belegen weniger Speicherplatz und können schneller auf andere Computer übertragen werden als unkomprimierte Dateien.

Gebruik uw Microsoft-account om u aan te melden bij Microsoft-services zoals Windows, Microsoft 365, OneDrive, Skype, Outlook en Xbox Live.

How to turn on recurring billing. When recurring billing is turned on, you’ll be billed for your subscription on your renewal date. If you turn off recurring billing, your subscription will expire on the date shown, and you won't be billed in the future.

Learn how to open a shared mailbox in the Outlook Web App. Shared mailboxes let a group of users view and send email, and share a calendar, from a common mailbox.