Sometimes, a user may click ‘Work Offline’ accidentally or deliberately, which disconnects the profile from the server. If your internet is working and you still see the ‘Working Offline’ or ‘Disconnected’ indicator in the status bar, follow the next step. In such a case, you should first check your internet connection and ensure uninterrupted connectivity. However, users won’t notice this and can work seamlessly.īut when Outlook is offline, you can’t send or receive new messages. When Outlook experiences unreliable or slow internet connection, it goes into Offline Mode. Outlook 2003 and earlier versions do not support this feature. Below we have discussed the steps to switch from working offline to working online in MS Outlook 2007, 2010, 2013, 2016, and 2019 versions. If you see such status, it indicates that your Outlook profile or OST is not connected or synchronized to the Exchange server. When Outlook profile is not connected to the server, the Outlook displays ‘Working Offline’ or ‘Disconnected’ status in the bottom status bar. Steps to Switch from Work Offline to Work Online In this guide, we’ll discuss the steps to change or switch from working offline to working online in Microsoft Outlook and the methods to fix and reconnect an offline Outlook profile or OST file.
Users can also choose to work offline using the ‘ Work Offline’ option in Outlook. Users can continue their work in Outlook and perform tasks, such as reply to urgent emails, move emails or other mail items between the folders, or delete items from folders, without experiencing any issues.Īs soon as the system connects to the internet, the changes stored in the OST file are automatically synchronized with the server mailbox on the Exchange server so that both copies are the same. This allows Outlook users to work offline even when the internet is unavailable or slow. When Microsoft Outlook is configured with Exchange server in Cached Exchange Mode, it creates an Outlook Storage Table file, also known as Offline Outlook data file or OST, to store a synchronized copy of mailbox data. In this guide, we help you troubleshoot the problem and switch Outlook from working offline to working online.
Sometimes, due to sync error, disabled Outlook profile, or damage to OST file, the Outlook may go into Disconnected or Working Offline mode. Users can use the option to switch from work offline to work online based on their needs. Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help.MS Outlook provides an option to work offline when you configure an IMAP,, or Microsoft Exchange server account. Value: integer value (Decimal) specifying the number of months (use only the following values)įor more information about this, please refer to: Key: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\Outlook\Cached Mode If you use Group Policy to manage this setting, the following registry data is used by Outlook: The Group Policy template files for Outlook 2016 are Outlook16.admx and Outllk16.adml. If you want to administer this setting by using Group Policy, you can use the Group Policy templates.
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Generally, the cached mode Mail to keep offline setting is maintained in the Outlook profile settings in the Windows registry. Greater than 32 GB, but smaller than 64 GB 3 months The following table shows the default Sync Slider setting for different disk sizes: By default, Outlook configures Exchange accounts to only synchronize a specific number of months, depending on the size of the disk.