Outlook是来自Microsoft的优秀的全功能、强大和可靠的电子邮件客户端^{(reliable email client)}。但是，有时您可能会遇到无法加载^{(Outlook not being able to load)}或打开 Outlook 的问题，这可能会让人感到困惑和沮丧。 

在本指南中，我们将向您展示一些简单和更高级的故障排除解决方案，这些解决方案可以帮助您快速恢复和运行  Outlook 。

为什么 Outlook 打不开^{(Why Outlook Will Not Open)}

Outlook可能无法加载或无法正常工作的原因有多种。这些原因包括： 

• Outlook 服务的问题
• 互联网连接问题
• 应用程序中的错误，需要更新
• 应用更新问题
• 过时或有缺陷的加载项
• 有缺陷^(Defective)或错误的Outlook PST文件
• 损坏的配置文件
• 导航窗格的问题

Outlook无法打开时如何修复 ^{(How to Fix When Outlook Won’t Open )}

无论Outlook^(Outlook)无法在您的设备上打开的原因是什么，您都可以使用几个简单和高级的故障排除步骤来修复Outlook问题。在每个步骤之后，尝试打开Outlook并检查它是否再次工作。 

1. 快速修复^{(1. Quick Fixes)}

• 检查您的互联网连接。如果连接正常，但您无法打开Outlook、浏览器或其他应用程序，请参阅我们的指南，了解当您可以连接到无线路由器但无法连接到 Internet 时该怎么做^{(what to do when you can connect to a wireless router but not the internet)}。另请了解如何在 Windows 10中修复间歇性互联网连接^{(fix an intermittent internet connection)}或在路由器不工作时将计算机连接到移动热点。^{(connect your computer to a mobile hotspot)}
• 下载并安装自动支持和恢复助手^{(Download and install the Automated Support and Recovery Assistant Too)}工具( SaRA )。该工具运行测试以识别问题并提供最佳修复。它适用于您计算机上 基于云的Microsoft 365、Office或Outlook 。
• 检查^(Check)计算机上的更新。如果Windows 不安装更新^{(Windows won’t install updates)}，您也可以考虑进行故障排除。

• 检查Outlook是否可以在其他设备上运行。 
• 在您的设备上创建^(Create)另一个用户帐户并检查它是否有帮助。 
• 确保^(Make)Outlook可以访问您的日历，并检查您设备的日期/时间和国家/地区信息是否正确。 
• 确保^(Make)您使用的是 IT 管理员或ISP提供的正确服务器设置。使用 POP3 或 IMAP 帐户^{(using a POP3 or IMAP account)}而不是 Exchange 帐户配置 Outlook 。
• 如果Outlook在您的^(Outlook)Android或 iOS 设备上不断崩溃，请清除浏览器的缓存。删除Outlook应用并重新安装。

2. 启用离线工作^{(2. Enable Work Offline)}

脱机工作^{(Work Offline)}选项允许您访问在Outlook停止工作之前保存的邮件。

打开Outlook并检查窗口底部的脱机工作状态。^{(Working Offline)}如果您没有看到Work Offline，则表示该功能已禁用。 

要在Windows PC上启用脱机工作，请选择^{(Work Offline)}Send/Receive>脱机工作^{(Work Offline)}。

对于 Mac，选择菜单栏上的Outlook，然后选择脱机工作^{(Work Offline)}。

3.更新Outlook ^{(3. Update Outlook )}

默认情况下，Outlook会自动安装更新^{(installs updates automatically)}，但您可以通过Office 帐户^{(Office Account)}设置手动启用或禁用这些更新。您还可以检查可用更新并在您的设备上安装最新的更新。

1. 要为Outlook^(Outlook)启用自动更新，请选择“文件^(File)” > “ Office 帐户^{(Office Account)}” 。

1. 选择更新选项^{(Update Options)}，然后在下拉菜单中选择启用更新。^{(Enable updates)}

1. 要手动检查更新并将更新应用到Outlook，请选择文件^(File)，然后在导航窗格中  选择Office 帐户。^{(Office Account)}
2. 选择更新选项^{(Update Options)}>立即更新^{(Update Now)}。 

1. 要在Mac上更新Outlook ，请从菜单栏中选择帮助^(Help)，然后选择检查^(Check)更新^{(for updates)}。 

1. 选择更新^(Update)以下载并安装任何挂起的更新。 

注意^(Note)：对于没有Office 帐户^{(Office Account)}选项的旧Outlook版本，请选择“^(Outlook)文件^(File)” > “帮助^(Help)” > “检查更新^{(Check for Updates)}”并安装更新。 

4. 检查 Outlook 邮件服务器设置^{(4. Check Outlook Mail Server Settings)}

检查您的邮件服务器设置，确保没有任何会影响Outlook工作方式的更改。

1. 选择文件^(File)>帐户设置^{(Account Settings)}>帐户设置^{(Account Settings)}。 

1. 接下来，选择您的电子邮件^(email)，然后选择更改^(Change)。 

注意^(Note)：如果您使用Gmail、Yahoo、iCloud、工作提供的电子邮件地址、自定义域电子邮件地址、Outlook.com或以 @live.com、@msn.com 或 @hotmail .com 结尾的电子邮件地址，则不能直接编辑设置。在这种情况下，Windows会为您管理这些设置，因此您可以跳过此步骤。

5. 以安全模式启动 Outlook^{(5. Start Outlook in Safe Mode)}

安全模式^(Mode)可帮助您在没有加载项的情况下启动 Outlook，这可能与应用程序冲突。这样，您可以判断加载项是否是问题的原因。 

1. 选择开始^(Start)>运行^(Run)，键入Outlook /safe，然后选择确定^(OK)。

1. 接受“选择配置文件”^{(Choose Profile)}对话框中的默认Outlook设置，然后选择“确定^(OK)” 。 

1. 如果出现提示，请输入您的密码，然后选择接受^(Accept)。当Outlook^(Outlook)处于安全模式^(Mode)时，您会在电子邮件地址旁边看到安全模式^{(Safe Mode)}标签。 

如果Outlook在安全模式下^{(Safe Mode)}工作，请禁用所有加载项，然后重新启动应用程序。 

1. 要在Outlook^(Outlook)中禁用加载项，请选择文件^(File)>选项^(Options)>加载项^(Add-ins)。

1. 检查查看和管理 Office 加载项^{(View and Manage Office Add-ins)}底部的管理^(Manage)框是否显示COM 加载项^{(COM Add-ins)}。

1. 选择前往^(Go)。

1. 如果COM 加载项^{(COM Add-ins)}列表打开，请截取属性表的屏幕截图并保存图像或记录可用加载项下列出的每个选定加载项^{(Available Add-ins)}。完成后，清除所有选中的复选框，然后选择OK。 

1. 选择File > Exit，右键单击Start > Run，在框中键入Outlook并按Enter。  
2. 接下来，选择文件^(File)>选项^(Options)>加载项^(Add-ins)。 

通过选择旁边的框重新启用所需的加载项并重复此步骤，直到您重新启用所有原始加载项并找到错误的来源。 

有时，错误可能是由多个加载项引起的。 

6. 创建一个新的配置文件^{(6. Create a New Profile)}

您的Outlook配置文件包含您的Outlook设置。如果配置文件已损坏，您可以创建一个新配置文件并将其设置为Outlook启动时使用的默认配置文件。 

1. 在 Windows 中，选择开始^(Start)>控制面板^{(Control Panel)}，搜索邮件^(Mail)并选择它。

1. 选择显示配置文件。^{(Show Profiles.)}

1. 在邮件设置 - Outlook^{(Mail Setup – Outlook)}对话框中选择添加。^(Add)

1. 在“配置文件名称^(name)”框中键入要用于新配置文件的名称。^{(Profile Name)}

1. 在添加帐户向导^{(Add Account Wizard)}中，在自动帐户设置^{(Auto Account Setup)}页面的电子邮件帐户^{(Email Account)}下填写您的姓名^(Name)、电子邮件地址^{(Email address)}和密码。^(Password)

1. 选择完成^(Finish)，您将在“常规”选项卡下的“^(General)邮件”^(Mail)对话框中找到新配置文件的名称。 
2. 接下来，在启动 Microsoft Outlook 时使用此配置文件下选择^{(When starting Microsoft Outlook, use this profile)}提示^(Prompt)要使用的配置文件，然后选择确定^(OK)。 
3. 重新启动 Outlook 并在“选择配置文件”^{(Choose Profile)}对话框的下拉列表中选择您创建的新配置文件名称。^{(new profile name)}选择确定^(OK)并检查Outlook是否使用新的配置文件名称正常启动。

注意^(Note)：在删除旧配置文件之前备份您的数据文件，因为选择删除^(Remove)意味着您的所有离线缓存内容都将被删除。 

7. 修复 Outlook 数据文件^{(7. Repair Outlook Data Files)}

有时，Outlook存储的某些数据 ( ^(Outlook)PST ) 文件可能会损坏。您可以使用 scanpst.exe（收件箱修复工具^{(Inbox Repair Tool)}）扫描您的数据文件并修复错误。 

请参阅我们的深入指南，了解当Outlook 无法访问数据文件^{(Outlook can’t access data files)}时该怎么做以及如何修复损坏或损坏的 Outlook PST 文件^{(how to repair an Outlook PST file that’s damaged or corrupted)}。

8.删除导航窗格自定义^{(8. Remove Navigation Pane Customizations)}

导航窗格显示您的文件夹列表和要移动的图标。您可以运行/resetnavpane命令以删除导航窗格的所有自定义项，并检查Outlook是否仍然无法打开。 

关闭 Outlook，选择开始^(Start)>运行^(Run)，然后键入Outlook.exe /resetnavpane。选择确定^(OK)。

9. 检查 Outlook 是否在兼容模式下运行^{(9. Check if Outlook is Running in Compatibility Mode)}

兼容^{(Compatibility)}模式使您可以更轻松地在旧操作系统上运行程序^{(run programs on older operating systems)}。 

如果Outlook在兼容模式下运行，请将其禁用并再次检查它是否正常工作。

注意^(Note)：此步骤适用于 Outlook 2010 和 2013 版本；Outlook 2016没有“兼容性^{(Compatibility)}”选项卡。

1. 通过转到Outlook 2010 上的 C:Program C:\Program Files\Microsoft Office\Office 14\ 或^(or) C:\Program Files (x86)\Microsoft Office\Office 14\C:\Program Files\Microsoft Office\Office 15\ 或^(or) C:\Program Files (x86)\Microsoft Office\Office 15\在您的计算机上找到Outlook.exe文件展望 2013。 
2. 右键单击该文件并选择属性^(Properties)>兼容性^{(Compatibility)}选项卡。

1. 取消选中^(Uncheck)兼容性^{(Compatibility)}选项卡上选中的所有框，然后选择应用^(Apply)>确定^(OK)。重新启动 Outlook^{(Restart Outlook)}并查看Outlook是否再次正常打开。

10. 重建 Outlook 数据库 (Mac)^{(10. Rebuild the Outlook Database (Mac))}

如果您在 Mac 上使用Outlook并且^(Mac)应用^(Outlook)程序无法打开，请使用Microsoft 数据库实用程序重建^{(Microsoft Database Utility)}Outlook数据库以解决问题。在重建数据库之前，检查问题是否是由碎片或损坏的硬盘^{(damaged hard disk)}引起的，然后运行Apple Disk Utility来诊断和修复硬盘问题。

注意^(Note)：您无法在Outlook 2016 for Mac中手动修复或重建数据库。该应用程序会自动为您执行此操作。 

在重建Outlook数据库之前，请确保至少有 20MB 的可用磁盘空间，这是重建或压缩数据库所必需的。

1. 打开 Outlook 并选择Outlook >关闭 Office 提醒^{(Turn Off Office Reminders)}。 

1. 退出包括^(Quit)Outlook在内的所有Microsoft Office应用程序并退出Messenger for Mac。
2. 关闭 Outlook，按住Option键并选择 Dock 中的Outlook图标以打开Microsoft Database Utility。  
3. 选择要重建的数据库的标识，然后选择Rebuild。

注意^(Note)：在数据库实用程序^{(Database Utility)}重建数据库之前，它将创建数据库的备份副本，其中包含创建备份的日期和时间。/Users/ username /Documents/Microsoft User Data/Office 2011 Identities/文件夹中找到此备份。

1. ^{(Restart Outlook)}数据库重建过程完成后重新启动 Outlook 。

让 Outlook 重新启动并运行^{(Get Outlook Up and Running Again)}

我们希望本指南帮助您再次打开Outlook以访问您的邮件和其他文档。如果您在Outlook中遇到同步问题，我们的Outlook App Not Syncing 指南^{(Outlook App Not Syncing guide)}将帮助您。 

通过在下面留下评论与我们分享对您有用的方法。

Microsoft Outlook Won’t Open? 10 Ways to Fix

Outlook is аn excellent full-featured, powerful and reliable email client from Microsoft. However, there may be times when you may experience issues with Outlook not being able to load or open, which can be confusing and frustrating. 

In this guide, we’ll show you some simple and more advanced troubleshooting solutions that can help you get Outlook back up and running quickly.  

Why Outlook Will Not Open

There are several reasons why Outlook might not load or work correctly. These reasons include: 

• Issues with the Outlook service
• Internet connectivity issues
• A bug in the app, which requires an update
• Issues with app updates
• Outdated or defective add-ins
• Defective or faulty Outlook PST file
• A corrupted profile
• Issues with the navigation pane

How to Fix When Outlook Won’t Open 

Whatever the reason for Outlook not opening on your device, there are several simple and advanced troubleshooting steps you can use to fix Outlook issues. After each step, try to open Outlook and check if it works again. 

1. Quick Fixes

• Check your internet connection. If the connection works but you can’t open Outlook, your browser or other apps, see our guide on what to do when you can connect to a wireless router but not the internet. Find out also how to fix an intermittent internet connection in Windows 10 or connect your computer to a mobile hotspot when your router isn’t working.
• Download and install the Automated Support and Recovery Assistant Tool (SaRA). This tool runs tests to identify problems and offers the best fixes. It works in the cloud-based Microsoft 365, Office or Outlook on your computer. 
• Check for updates on your computer. You may also consider troubleshooting if Windows won’t install updates.

• Check whether Outlook works on a different device. 
• Create another user account on your device and check if it helps. 
• Make sure Outlook can access your calendar, and check if your device’s date/time and country/region information is correct. 
• Make sure you’re using the correct server settings that your IT administrator or ISP has provided. Configure Outlook using a POP3 or IMAP account instead of an Exchange account.
• If Outlook keeps crashing on your Android or iOS device, clear the browser’s cache. Remove the Outlook app and reinstall it.

2. Enable Work Offline

The Work Offline option allows you to access mail that you’ve saved before Outlook stopped working.

Open Outlook and check for the Working Offline status at the bottom of the window. If you don’t see Work Offline, it means the feature is disabled. 

To enable Work Offline on your Windows PC, select Send/Receive > Work Offline.

For Mac, select Outlook on the menu bar and then select Work Offline.

3. Update Outlook 

By default, Outlook installs updates automatically, but you can manually enable or disable these updates via your Office Account settings. You can also check for available updates and install the latest one on your device.

1. To enable automatic updates for Outlook, select File > Office Account.

1. Select Update Options and then select Enable updates in the drop-down menu.

1. To check for and apply updates manually to Outlook, select File and then select Office Account in the navigation pane.  
2. Select Update Options > Update Now. 

1. To update Outlook on your Mac, select Help from the menu bar, and then select Check for updates. 

1. Select Update to download and install any pending updates. 

Note: For older Outlook versions that don’t have the Office Account option, select File > Help > Check for Updates and install the update. 

4. Check Outlook Mail Server Settings

Check your mail server settings to be sure nothing has changed that would affect how Outlook works.

1. Select File > Account Settings > Account Settings. 

1. Next, select your email and then select Change. 

Note: If you use Gmail, Yahoo, iCloud, work-provided email address, custom domain email address, Outlook.com or email addresses that end with @live.com, @msn.com or @hotmail .com, you can’t edit the settings directly. In such cases, Windows manages these settings for you so you can skip this step.

5. Start Outlook in Safe Mode

Safe Mode helps you start Outlook without add-ins, which could be in conflict with the app. This way, you can tell whether the add-in is the cause of the problem or not. 

1. Select Start > Run, type Outlook /safe, and then select OK.

1. Accept the default Outlook setting in the Choose Profile dialog box and then select OK. 

1. Enter your password if prompted and then select Accept. You’ll see the Safe Mode label next to your email address when Outlook is in Safe Mode. 

If Outlook works when in Safe Mode, disable all your add-ins and then restart the app. 

1. To disable add-ins in Outlook, select File > Options > Add-ins.

1. Check whether the Manage box at the bottom of the View and Manage Office Add-ins shows COM Add-ins.

1. Select Go.

1. If the COM Add-ins listing opens, take a screenshot of the property sheet and save the image or record each selected add-in listed under Available Add-ins. Once this is done, clear all the selected check boxes and then select OK. 

1. Select File > Exit, right-click Start > Run, type Outlook in the box and press Enter.  
2. Next, select File > Options > Add-ins. 

Re-enable the add-in you want by selecting the box next to it and repeat this step until you have re-enabled all the original add-ins and found the source of the error. 

Sometimes the error could be caused by more than one add-in. 

6. Create a New Profile

Your Outlook profile contains your Outlook settings. If the profile is corrupted, you can create a new profile and make it the default profile used when Outlook starts. 

1. In Windows, select Start > Control Panel, search for Mail and select it.

1. Select Show Profiles.

1. Select Add in the Mail Setup – Outlook dialog box.

1. Type the name you want to use for the new profile in the Profile Name box.

1. In the Add Account Wizard, fill in Your Name, Email address and Password under Email Account on the Auto Account Setup page.

1. Select Finish and you’ll find your new profile’s name added in the Mail dialog box under the General tab. 
2. Next, select Prompt for a profile to be used under When starting Microsoft Outlook, use this profile and then select OK. 
3. Restart Outlook and select the new profile name you created in the drop-down list in the Choose Profile dialog box. Select OK and check if Outlook starts normally with the new profile name.

Note: Back up your data files before removing your old profile because selecting Remove means all your offline cached content will be deleted. 

7. Repair Outlook Data Files

Occasionally, some of the data (PST) files Outlook stores may become corrupted. You can use the scanpst.exe (Inbox Repair Tool) to scan your data files and repair errors. 

See our in-depth guides on what to do when Outlook can’t access data files and how to repair an Outlook PST file that’s damaged or corrupted.

8. Remove Navigation Pane Customizations

The navigation pane displays your folder list and icons to move. You can run the /resetnavpane command to remove all customizations to the navigation pane and check whether Outlook still won’t open. 

Close Outlook, select Start > Run, and type Outlook.exe /resetnavpane. Select OK.

9. Check if Outlook is Running in Compatibility Mode

Compatibility mode makes it easier for you to run programs on older operating systems. 

If Outlook is running in compatibility mode, disable it and check whether it works properly again.

Note: This step applies to Outlook 2010 and 2013 versions; Outlook 2016 doesn’t have the Compatibility tab.

1. Find the Outlook.exe file on your computer by going to C:\Program Files\Microsoft Office\Office 14\ or C:\Program Files (x86)\Microsoft Office\Office 14\ on Outlook 2010 or C:\Program Files\Microsoft Office\Office 15\ or C:\Program Files (x86)\Microsoft Office\Office 15\ for Outlook 2013. 
2. Right-click the file and select Properties > Compatibility tab.

1. Uncheck any boxes that are checked on the Compatibility tab and then select Apply > OK. Restart Outlook and see if Outlook opens normally again.

10. Rebuild the Outlook Database (Mac)

If you’re using Outlook on a Mac and the app won’t open, rebuild the Outlook database using the Microsoft Database Utility to fix the problem. Before rebuilding the database, check whether the problem is caused by a fragmented or damaged hard disk and then run the Apple Disk Utility to diagnose and repair hard disk problems.

Note: You can’t manually repair or rebuild a database in Outlook 2016 for Mac. The application does this automatically for you. 

Before rebuilding the Outlook database, make sure you have at least 20MB of free disk space, which is needed to rebuild or compact the database.

1. Open Outlook and select Outlook > Turn Off Office Reminders. 

1. Quit all Microsoft Office apps including Outlook and quit Messenger for Mac.
2. Close Outlook, hold down Option key and select the Outlook icon in the Dock to open the Microsoft Database Utility.  
3. Select the identity of the database you want to rebuild and then select Rebuild.

Note: Before the Database Utility rebuilds a database, it will create a backup copy of the database with the date and time the backup was created. You can find this backup in the /Users/ username/Documents/Microsoft User Data/Office 2011 Identities/ folder.

1. Restart Outlook once the database rebuilding process is completed.

Get Outlook Up and Running Again

We hope this guide has helped you open Outlook again to access your mail and other documents. If you’re experiencing syncing issues in Outlook, our Outlook App Not Syncing guide will help you with that. 

Share with us what worked for you by leaving a comment below.

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