This will offer faster data access and data availability when in offline mode, with the only drawback being the use of additional disk space.įor corporate users, Online Mode is preferred for security reasons, as locally stored data is more vulnerable to data loss or malicious tampering. Which mode should I use?įor all Office 365 users, the answer is simple - use Cached Mode. Of course, you will require much more disk space to store all data if you have a larger mailbox, but that's about the only drawback of having cached mode enabled.
This copy provides quick access to your data, and it is frequently updated with the server that runs Microsoft Exchange. In this mode, a copy of your mailbox is saved on your computer to a. Latency-related issues should be also taken into consideration when choosing online mode.Įxchange Cached Mode gives you a better experience when you use an Exchange account. If the connection drops, Outlook becomes unusable until the connection is restored. However, this mode can be problematic as you can only access your data whilst an internet connection is available. This is ideal for users who do not have much disk space. When it comes to connecting an Exchange type E-Mail account to Outlook, it can be done in two modes: cached mode and online mode.Įxchange Online Mode basically takes all data requests directly from the Exchange server. At the same time, a separate process checks for new mail or other data from the server and syncs this to the local cache. When Outlook is running in cached mode, the email client looks to the local OST file for all access, including reads and searches. Help menu in Outlook, and also from article 195796 at the Microsoft Help and Support web site.Cached mode, first implemented with Microsoft Outlook 2003, keeps a local copy of the user’s mailbox stored on the hard drive as an OST file. You can get further information on offline folders from the You can remove the offline folder only by browsing to its Click OK threeĬheckbox on the "Advanced" page will not remove the offlineįolder. Select Microsoft Exchange Server, and then click.Settings, and then click Disable Offline Use.ĭisabling offline folders in Outlook 2000 Click View or change existing e-mail accounts, and thenįollowing order:" list, click Microsoft Exchange Server.Under "This folder isĪvailable", select When offline or online.ĭisabling offline folders in Outlook 2002 With your Exchange mailbox, right-click the folder and select For each folder in your Folder List that you wish to synchronize.Select the Mail Services tab, and then check the.If this filename already exists, you will be In the "File:" field, type the path to the file you want to use as.Select the Advanced tab, and then click Offline Folder.In the "Outlook processes e-mail for these accounts in theįollowing order:" list, click Microsoft Exchange.Click View or change existing e-mail accounts, and then click.The properties of that folder, using the steps below, to ensure that Note: When you create a new folder in Outlook, check You delete a folder on the server or in the offline folders, thatįolder will be deleted on both the server and the local computer Be careful when deleting folders, because if Mailbox on a laptop or home computer so you can work when you are notĬonnected to a network. Using offline folders is a good idea if you want to synchronize your You can also compact them to save space on your computer seeĪRCHIVED: In Microsoft Outlook, what is AutoArchive, and how do I use You canĪccess offline folders even if the network or mail delivery service isĭown. Microsoft Exchange server when you connect to the server. TheĬontents are synchronized with the contents of your mailbox on the ost) is a file located on your computer's hardĭisk, by default in the C:\Windows directory. In Outlook 2002 or 2000, an offline folder file (ending with theĮxtension. University Information Technology Services (UITS)Īt Indiana University recommends that you use Cached Exchange Mode Offer Cached Exchange Mode in addition to offlineįolders. Information here may no longer be accurate, and links may no longer be available or reliable. This content has been archived, and is no longer maintained by Indiana University.