This article describes how you can digitally sign a macro project on Windows by using a certificate. If you don't already have a digital certificate, you'll need to get one.

When a recipient opens the vCard attachment (.vcf file) that is received in a message, a contact form opens, displaying the contact information. You can click and save a .vcf file that you receive, adding it directly to your Outlook contacts, saving all the information.

Check the Xbox services, games, and apps for any service outages.

摘要 Email 簽名能在你的商業溝通中建立專業一致性，並確保收件人在每則訊息中都擁有你的聯絡資訊。 在Outlook中，你可以為不同用途設定多個簽名 (內部與外部、個人與商務) ，並選擇是否自動包含在新郵件、回覆或轉寄中。 你的簽名可以包含文字、連結、圖片和圖片 (，例如你的手寫簽名或標誌 ...

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The AutoComplete list is a feature that displays suggestions for names and email addresses as you begin to type them. These suggestions are possible matches from a list of names and email addresses from the email messages that you have sent. The method to copy your AutoComplete list from one computer to another depends on what type of email account you've added to Outlook. If you have a ...

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

If you see error E207 when you try to turn on or update your Xbox console, this means there may have been a problem installing the update. Find more solutions here.

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If you see error code 0x87e1000f, plug a Kinect sensor into your Xbox console. Find more solutions here.