Use Cached Exchange Mode to work with items in your Office 365 or Microsoft Exchange Server mailbox even when your network connection is slow or unavailable. You cannot use Cached Exchange Mode with a POP or IMAP account. If Outlook is stuck in Offline mode, see Work offline in Outlook.

Connected To Microsoft Exchange Headers
Outlook 2010 Download Headers Only
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Outlook 2010 Download Headers Only On Windows 10
Outlook Download Complete Items
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The full item has not been downloaded.' At INBOX, ALT. Jan 23, 2010. Option to display headers only or the entire message including the. Download Headers and then Full Items – first Outlook grabs all the message headers, then it downloads the rest of the content in each message. Depending on the speed of the connection, this gives you a chance to delete any messages (as headers) before the entire message is downloaded. Outlook 2010 - My IMAP account will only download message headers and not the full message. How do you change the setting. I do not have this problem with my POP3 email account. Also, periodically the items in my inbox or sent items just disappear, and I have to go back and repair the account and then wait for all of the emails to download again. Apr 1, 2006 - Force Outlook 2010 to Download All Messages and Attachments. The only thing that was downloaded were the message headers and not the.

Important: When using Outlook with an Office 365 mailbox, we recommend always using Cached Exchange Mode.

Newer versionsOffice 2010Office 2007

About Cached Exchange Mode

Cached Exchange Mode enables a better experience when you use an Exchange account. In this mode, a copy of your mailbox is saved on your computer. This copy provides quick access to your data, and it is frequently updated with the server that runs Microsoft Exchange.

Notes:

Cached Exchange Mode is the default when you add an Exchange or Office 365 account.
We recommend always using Cached Exchange Mode with an Exchange or Office 365 account.

Turn Cached Exchange Mode on or off

Click File > Account Settings > Account Settings.
Click the Exchange or Office 365 account, and then click Change.
Under Offline Settings, check Use Cached Exchange Mode.

(If you're an Office 365 subscriber with semi-annual updates, under Offline Settings, check Use Cached Exchange Mode to download email to an Outlook data file.

4. Exit, and then restart Outlook.

If you want to turn off Cached Exchange Mode, repeat the steps, but clear Use Cached Exchange Mode.

By default, 12 months of your email is available offline, but you can control how much mail is kept offline.

Cached Exchange Mode and shared folders

Shared folders include Exchange Public Folders, SharePoint folders, or another person's Exchange folders when you’re using Delegate Access. By default, when Cached Exchange Mode is turned on, a local copy of shared folders is downloaded to your computer.

To change whether shared folders or Public Folders are downloaded when Cached Exchange Mode is turned on, do the following:

Click File > Account Settings > Account Settings.

Click the Exchange account, and then click Change > More Settings.
On the Advanced tab, under Cached Exchange Mode Settings, check the options you want.

Why isn’t the Cached Exchange Mode option available?

If the Cached Exchange Mode option is missing, one or more of the following might apply:

An Exchange account doesn't exist in your Microsoft Outlook profile This feature requires your Outlook profile contain an Exchange account. POP3 and IMAP accounts can’t use this feature.
Your Exchange server administrator has disabled this functionality Exchange administrators can disable this feature in Outlook. For more information, contact your Exchange administrator.
Microsoft Terminal Services is installed Cached Exchange Mode is not available on computers that run Windows Server when Microsoft Terminal Services is installed.

About Cached Exchange Mode

Note: Cached Exchange Mode is the default when you add an Exchange account.

Turn on or off Cached Exchange Mode

Click the File tab.
Click Account Settings, and then click Account Settings.
On the E-mail tab, click the Exchange account, and then click Change.
Under Microsoft Exchange server, select or clear the Use Cached Exchange Mode check box.
Exit and then restart Microsoft Outlook 2010.

When you are using Cached Exchange Mode, an email message may remain in the Outbox for up to one minute until the next synchronization with the server that runs Exchange occurs. If you want to send the message immediately, do the following:

On the Send/Receive tab, in the Send & Receive group, click Send All.

Manually configure message download preferences

Cached Exchange Mode can automatically optimize data transmissions for the connection speed to the server that runs Exchange. However, you can manually change the download preferences.

On the Send/Receive tab, in the Preferences group, click Download Preferences.
Click one of the following options:
- Download Full Items This is the default setting. All messages and attachments are downloaded.
- Download Headers and Then Full Items After message headers are downloaded, downloading of message bodies and attachments begins. When downloading a large amount of items, this setting is useful so you can see message headers quickly and then choose a message to open without first waiting for all messages to be downloaded in their entirety.
- Download Headers No message bodies or attachments are downloaded. This reduces the data transfer amount and connection time. When you open an item, the full item is then downloaded from the mail server.
- On Slow Connections Download Headers Only When a slow connection is detected, message bodies and attachments are not downloaded. If this option is not selected, the three previous choices determine what is downloaded regardless of the connection speed.

In addition to Exchange folders, Cached Exchange Mode works with shared folders. Examples of shared folders include another person's Exchange folders when you are using Delegate Access, or SharePoint folders. To turn on or off shared folder support when you are using Cached Exchange Mode, do the following:

Click the File tab.
Click Account Settings, and then click Account Settings.
On the E-mail tab, click the Exchange account, and then click Change.
Click More Settings.
On the Advanced tab, under Cached Exchange Mode Settings, select the check boxes for the options you want.

Why isn't the Cached Exchange Mode option available?

If you are unable to turn on Cached Exchange Mode, one or more of the following might apply:

An Exchange account doesn't exist in your Microsoft Outlook profile This feature requires that your Outlook profile contain an Exchange account.
Your Exchange server ad

Outlook 2010 Download Headers Only