This article is for Outlook Web App, which is used by organizations that manage email servers running Exchange Server 2013 or 2010. If you're using Microsoft 365, or Exchange Server 2016 or 2019, your email program is Outlook on the web. For help with Outlook on the web, see Get help with Outlook on the web.

This article is for Outlook Web App, which is used by organizations that manage email servers running Exchange Server 2013 or 2010. If you're using Microsoft 365, or Exchange Server 2016 or 2019, your email program is Outlook on the web. For help with Outlook on the web, see Get help with Outlook on the web.

Set-AuthConfig –PublishCertificate. Set-AuthConfig -ClearPreviousCertificate. Restart the Microsoft Exchange Service Host Service. Either run the IISReset command to restart IIS or run the following commands (in elevated mode) to recycle OWA and ECP APP pools: Restart-WebAppPool MSExchangeOWAAppPool.

Long file names of attachments might be shortened in Outlook Web App. A shorter name doesn't affect the contents of the file. Depending on the service that’s hosting your mailbox, the default size limit in Outlook Web App for an entire message, including all attachments, is 25 MB or 35 MB. Attachment and message size limits for your mailbox ...

本文适用于Outlook Web App，该应用由管理运行 Exchange Server 2013 或 2010 的电子邮件服务器的组织使用。 如果你使用的是 Microsoft 365 或 Exchange Server 2016 或 2019，那么你的电子邮件程序是 Outlook 网页版。 有关 Outlook 网页版的帮助，请参阅获取 Outlook 网页版帮助。

精简版 Outlook Web App被设计成可用于对标准版本Outlook Web App不支持的旧版网页浏览器、缓慢的连接并通过提供一个简单易用的界面使屏幕阅读器更好用而满足访问需求。. 简易版的 Outlook Web App具有比标准版Outlook Web App更少的功能。. 例如，没有单独的控件来更改 ...

Set the time zone. Help to adjust your Outlook time zone, along with steps to help you change or initially select an Outlook time zone. You can also see how to set your language, the regional date and time format settings, along with Outlook time zone.

Share access options. Choose how much information you want to share. Full details lets the person see all the information about events—except those marked as Private—on your calendar.Limited details show the subject and location.Availability only shows only that you have an event at a particular time, but no other details are provided. Private events always show as busy.

In this scenario, when a user in a child domain logs into Outlook Web App (OWA) and tries to change language by selecting Settings > Options > General > Region and time zone > Language, and then selects the check box next to Rename the default folders so their names match the specified language, the language can't be changed, and the default folder names mismatch the specified language.

This article is for Outlook Web App, which is used by organizations that manage email servers running Exchange Server 2013 or 2010. If you're using Microsoft 365, or Exchange Server 2016 or 2019, your email program is Outlook on the web. For help with Outlook on the web, see Get help with Outlook on the web.