Windows 10 的小算盤應用程式是舊版 Windows 中傳統小算盤方便觸控的版本。 您可以在桌面上以可調整大小的視窗同時開啟多個小算盤，並在 [標準]、[工程]、[程式設計人員]、[日期計算] 及 [轉換器] 模式之間切換。

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You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

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Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

Depending on your organization's settings, you may see a check box that says "Don't ask again for n days" when you perform two-factor verification. If you've selected this option to stop two-factor verification prompts, and then you lose your device or your device is potentially compromised, you should have Microsoft 365 sign you out of all ...

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

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