Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

有幾種方法可以縮減信箱大小。 您可以使用 [信箱清理] 工具來檢視信箱和個別資料夾的大小。 此工具也可協助您搜尋您可能會想要刪除或移至 Outlook 資料檔 (.pst) 的較舊或非常大型的郵件。

更多信息. 请执行下列步骤配置 .pst 和 .ost 文件的大小限制。 注意 本文中讨论的设置同时适用于 .ost 和 .pst 文件。 如果修改这些注册表值，可能会影响与缓存 Exchange 模式、自动存档以及 .pst 文件一起使用的 .ost 文件。

注意: 默认情况下，当添加一个使用脱机 Outlook 数据文件 (.ost) 的帐户时，会自动创建该文件和从服务器下载相关数据。此外，如果为脱机 Outlook 数据文件 (.ost) 指定新的文件夹位置，会自动创建一个新文件。 可以手动将现有文件移动到此新文件夹，这样可以避免重新创建文件，节省时间，虽然这一 ...

启用后，推送对话会让你在进行群对话前按键盘上的键（如对讲机）。 若要启用或禁用推送对话，请在 群小组件中选择群选项…按钮，选择群音频，然后选中或清除 启用推送对话复选框。默认情况下，将禁用推送对话。

Security Note: Outlook accepts a wide variety of different file types, but blocks potentially unsafe attachments (including .bat, .exe, .vbs, and .js files) that can contain viruses. Even with Outlook attachment protection, be careful in opening any attachment, especially if it’s from someone that you don’t know or trust.

修复 Outlook 数据文件后会发生什么情况？ 在 文件夹窗格 中，你可能会看到一个名为“复原的个人文件夹”的文件夹，此文件夹包含你的默认 Outlook 文件夹或“待认领”文件夹。虽然修复过程可能会重新创建某些文件夹，但这些文件夹可能为空。待认领

To be able to send bulk email via mail merge, you must already have installed a MAPI-compatible email program such as Outlook or Gmail. The following process assumes that you already have the message you intend to send created and open in Microsoft Word.

Microsoft 365 for business If your business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you.. Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your ...

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).