In Outlook, you have the flexibility to make Outlook work online or offline with your mail server. Select a tab option below for the version of Outlook you're using.

Windows 8.1 または Windows RT 8.1 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ キー キー+ Rを押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 デバイスが Windows 8.1 または Windows RT 8.1 を実行している ...

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

Tip: If you don’t like the name of the template (usually Book 1), click the name in the Excel for the web title bar at the top of the page and type a different name.

Your Outlook mailbox is only so big, and it’s a good bet that you won’t stop getting email anytime soon. To keep it from filling up, you can move old items you want to keep to an archive, a separate Outlook Data File (.pst) that you can open from Outlook any time you need it.

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Learn how to troubleshoot File Explorer problems in Windows. To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon).. Here are some things to try if File Explorer won't open.

The Office app is running in the background. If the file is not shared on a network or if you are certain that no one is currently editing it, then an instance of the Office app with the file open might be running in the background.