| Microsoft Exchange Server is a widely used email | | | | computer with new profile, it prompts you to set up a |
| server, which enables you to access your emails, | | | | fresh account. After configuring a new account, you |
| contacts, and other data while you are offline. You can | | | | attach your OST file to the newly created profile. |
| configure Exchange Server in Cached Exchange | | | | However, it can not recognize the OST file, because |
| Mode to enable offline accessing of the data. The | | | | you can attach only a PST file to a newly created |
| offline data is stored in the form of OST (Offline | | | | profile. This file is then converted into OST when you |
| Storage Table) file. When you connect with Microsoft | | | | disconnect from Exchange Server. |
| Exchange Server, the OST file is automatically | | | | Solution |
| converted into PST (Personal Storage Table) file after | | | | Try any of the below methods to fix this problem and |
| synchronization. However, if the synchronization is | | | | convert OST file to a PST file: |
| unsuccessful, the conversion can not take place and | | | | Verify the MAPI function of Microsoft Outlook. |
| you need to manually convert OST to PST using | | | | Remove and then recreate Outlook profile. |
| third-party tools. | | | | Recreate Exchange Server profile. |
| In a practical scenario of this problem, you may come | | | | Uninstall and then reinstall MS Outlook. |
| across the below error message when you try to | | | | Convert unusable OST file into a usable PST file and |
| connect with Microsoft Exchange Server after | | | | reconfigure Exchange Server account. |
| importing your OST file in a new system and creating | | | | You can easily convert orphaned OST to PST using |
| a new Outlook profile: | | | | third-party applications. Such tools use advanced |
| "Outlook could not log on. Check to make sure you are | | | | mechanisms to ensure quick and effective conversion. |
| connected to the network and are using the proper | | | | They ensure absolute conversion in a safe and easy |
| server and mailbox name. The connection to the | | | | way with read-only conduct and interactive graphical |
| Microsoft Exchange Server is unavailable. Outlook | | | | user interface. |
| must be online or connected to complete this action." | | | | Stellar Phoenix Mailbox Exchange Desktop is a |
| Other Exchange Server clients can access their | | | | powerful and advanced utility that effectively converts |
| mailboxes without any problem. After the above error, | | | | unusable OST file to a usable Outlook PST file. The |
| you can not establish a connection to Exchange | | | | software works well with Microsoft Outlook 2007, |
| Server and OST PST conversion can not take place. | | | | 2003, 2002, and 2000. It converts all OST file objects, |
| Cause of this problem | | | | such as emails, notes, contacts, tasks, appointments, |
| When you open Microsoft Outlook on a new | | | | and attachments. |