与任何其他应用程序一样，Outlook也会在您的计算机上创建和保存缓存文件以加快其操作。这些文件帮助应用程序自动完成某些事情，并帮助它比没有缓存时更快地获取所需文件。但是，有时您可能想要清除Outlook缓存。
你会想要这样做，尤其是当你注意到应用程序的性能下降时，这通常是在一段时间内创建的大量缓存文件的结果。有多种方法可以删除各种 Outlook 缓存文件(ways to delete various Outlook cache files)，如下所示。
使用文件资源管理器清除 Outlook 缓存文件(Clear Outlook Cache Files Using File Explorer)
使用文件资源管理器(File Explorer)清除Outlook缓存是完成该任务的最简单方法之一。由于缓存文件与您计算机上的任何其他常规文件一样，您可以导航到它们所在的文件夹并立即删除所有这些文件。完成后，您的Outlook缓存将消失。
- 如果Outlook应用在您的计算机上打开，您需要先将其关闭，然后才能删除缓存。保存您可能在其中进行的任何工作并退出应用程序。
- 同时按下Windows + R键打开运行(Run)框。在框中键入以下路径，然后按Enter。
%localappdata%\Microsoft\Outlook
- 它将打开一个包含您的Outlook配置文件和缓存文件的文件夹。您想找到显示RoamCache的文件夹并双击它以将其打开。
- 您当前在屏幕上看到的所有文件都是Outlook缓存文件。要删除这些文件，请按键盘上的Ctrl + A将它们全部选中，右键单击任何一个文件，然后选择删除(Delete)选项。
- 您可能需要清除回收站(Recycle Bin)以确保文件永远消失。
虽然清除Outlook缓存文件通常不会导致任何问题，但最好在删除它们之前将它们备份到单独的文件夹中。(back them up to a separate folder)如果事情不顺利，您可以恢复备份的文件。
清除 Outlook 中的单个缓存条目(Clear Individual Cache Entries In Outlook)
上述方法会从您的计算机中删除所有Outlook缓存文件。如果您只想删除特定条目，例如显示为建议的某些电子邮件地址，那么您也可以在Outlook应用程序中执行此操作。
这只会删除您在应用程序中选择的条目。
- 在您的计算机上打开Outlook应用程序。
- 单击“新建电子邮件”(New Email)按钮以打开电子邮件撰写窗口。你实际上不会写任何电子邮件。
- 在屏幕上的“收件人”(To)字段中，键入要从Outlook缓存中删除的条目。
- 当条目显示为建议时，将鼠标悬停在它上面，您会在条目旁边找到一个X图标。(X)单击(Click)此图标，它将从Outlook缓存库中删除选定的条目。
- 如果您要删除多个条目，则需要对每个条目重复该过程。
清除 Outlook 中的自动完成缓存(Clear Auto-Complete Cache In Outlook)
在编写新电子邮件时，您可能已经注意到Outlook 允许您自动完成某些事情(Outlook offers you to auto-complete certain things)。它之所以能够做到这一点，是因为它将这些项目保存在其缓存库中。但是，如果您发现Outlook的这种行为令人讨厌，或者您只是不想要此类建议，则可以从计算机上的应用程序中清除此数据。
在Outlook(Outlook)中禁用和清除自动完成缓存都非常容易。
- 在您的计算机上打开Outlook，然后单击顶部的文件选项卡。(File)
- 从以下屏幕的左侧栏中选择选项。(Options)它打开主Outlook设置菜单。
- 您会在屏幕的左侧边栏中看到许多选项。找到显示Mail的那个，通常在列表中的第二个，然后单击它打开它。
- 与邮件相关的各种选项将出现在右侧窗格中。在此窗格中向下滚动(Scroll)并找到标记为Send messages的部分。然后在“收件人”、“抄送”和“密件抄送”行中找到“使用自动完成列表建议姓名(Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines)”选项，然后单击旁边的“清空自动完成列表”按钮。(Empty Auto-Complete List )
- 屏幕上会出现提示。单击(Click)是以摆脱(Yes)计算机上的Outlook自动完成缓存。
清除 Outlook 中的表单缓存(Clear Form Cache In Outlook)
如果您在计算机上使用Outlook中的任何表单，您的计算机可能也有这些表单的缓存文件。您还需要清除它们以完全删除所有Outlook缓存文件。
这也可以在您机器上的应用程序中完成。
- 在您的计算机上启动Outlook，单击顶部的文件(File)选项卡，然后从左侧边栏中选择选项。(Options)
- 在以下屏幕上，找到左侧栏中显示“高级(Advanced)”的选项，然后单击它。
- (Scroll)在右侧窗格中向下滚动，直到看到“开发人员(Developers)”部分。在此部分中找到“自定义表单”(Custom Forms)按钮，然后单击将其打开。
- 将打开一个新窗口，上面有几个按钮。单击(Click)“管理表单”(Manage Forms)按钮继续。
- 您会在随后的屏幕上找到各种按钮。单击(Click)“清除缓存(Clear Cache)”以删除您的Outlook表单缓存文件。不会有提示或类似的东西。
如果您使用过这些方法中的任何一种来清除计算机上的Outlook缓存，我们想知道您使用了什么方法以及为什么选择删除这些缓存文件(delete these cache files)。这样做有什么具体原因吗？在下面的评论部分等待您的回复。
How To Clear Outlook Cache
Like any other app, Outlook also creаtes and saves cache files on your computer to speed-up its operations. These files help the app auto-complete certain things and help it gеt to the required files quickly thаn if there was no cache. Sometimes, though, you mаy want to clear the Outlook cache.
You’ll want to do it especially when you notice a slowdown in the performance of the app, which is often the result of a lot of cache files that have been created over a period of time. There are ways to delete various Outlook cache files as shown below.
Clear Outlook Cache Files Using File Explorer
Using File Explorer to clear Outlook cache is one of the easiest ways to do the task. Since cache files are like any other regular files on your computer, you can navigate to the folder where they’re located and get rid of all of them at once. When that’s done, your Outlook cache will be gone.
- If the Outlook app is open on your computer, you need to close it before you can delete the cache. Save any work you may be doing in it and quit the app.
- Press the Windows + R keys at the same time to open the Run box. Type the following path into the box and press Enter.
%localappdata%\Microsoft\Outlook
- It’ll open a folder containing your Outlook profile and cache files. You want to find the folder that says RoamCache and double-click on it to open it.
- All the files that you currently see on your screen are the Outlook cache files. To get rid of these files, select them all by pressing Ctrl + A on your keyboard, right-click on any one file, and select the Delete option.
- You may want to clear your Recycle Bin to ensure the files are gone for good.
While clearing the Outlook cache files doesn’t usually cause any issues, it’s a good idea to back them up to a separate folder before you remove them. In case things go south, you can restore your backed up files.
Clear Individual Cache Entries In Outlook
The above method removes all the Outlook cache files from your computer. If you’re only looking to remove specific entries, such as certain email addresses that show up as suggestions, then you can do that as well from within the Outlook app.
This only deletes the entries that you choose in the app.
- Open the Outlook app on your computer.
- Click on the New Email button to open the email compose window. You won’t actually be writing any emails.
- In the To field on your screen, type in the entry that you want removed from the Outlook cache.
- When the entry appears as a suggestion, hover your mouse over it and you’ll find an X icon next to the entry. Click on this icon and it’ll remove the selected entry from the Outlook cache library.
- If you’re looking to remove more than one entry, you’ll need to repeat the procedure for each of your entries.
Clear Auto-Complete Cache In Outlook
While writing new emails, you might have noticed that Outlook offers you to auto-complete certain things. It is able to do it because it has those items saved in its cache library. However, if you find this behavior of Outlook to be annoying or you just don’t want such suggestions, you can clear this data from the app on your computer.
Both disabling and clearing the auto-complete cache in Outlook is pretty easy to do.
- Open Outlook on your computer and click on the File tab at the top.
- Select Options from the left sidebar on the following screen. It opens the main Outlook settings menu.
- You’ll see a number of options in the left sidebar on your screen. Find the one that says Mail, usually second in the list, and click on it to open it.
- Various options related to mail will appear on the right-hand side pane. Scroll down in this pane and find the section labeled as Send messages. Then find the option that reads Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines and click on the Empty Auto-Complete List button next to it.
- A prompt will appear on your screen. Click on Yes to get rid of the Outlook auto-complete cache on your computer.
Clear Form Cache In Outlook
If you use any forms within Outlook on your computer, your computer might have cache files for these forms as well. You need to clear them up as well for a complete deletion of all the Outlook cache files.
This can also be done from within the app on your machine.
- Launch Outlook on your computer, click on the File tab at the top, and select Options from the left sidebar.
- On the following screen, find the option that says Advanced in the left sidebar and click on it.
- Scroll down in the right-hand side pane until you see the Developers section. Find the Custom Forms button in this section and click on it to open it.
- A new window will open with a couple of buttons on it. Click on the Manage Forms button to continue.
- You’ll find various buttons on the screen that follows. Click on the one that says Clear Cache to delete your Outlook form cache files. There won’t be a prompt or anything like that.
- You can then close the open screens as your task is done.
If you’ve used any of these methods to clear Outlook cache on your computer, we’d like to know what method you used and why you chose to delete these cache files. Any specific reasons for doing so? Your response is awaited in the comments section below.
