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You are here: Portal Home > Knowledgebase > DataNumen Exchange Recovery > When I start the recovery process, I get the error message "Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Office Outlook and set it as the default mail client." and DataNumen Exchange Recovery quits at once. How to solve this issue?

When I start the recovery process, I get the error message "Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Office Outlook and set it as the default mail client." and DataNumen Exchange Recovery quits at once. How to solve this issue?

DataNumen Exchange Recovery requires Microsoft Outlook to be installed and set as the default e-mail client on the computer.

To solve this issue, please:

      1. Install Microsoft Outlook on your computer if it has not be installed yet.
      2. Set Outlook as the default e-mail client on the computer. To do this, follow these steps:       
            2.1     Start Microsoft Internet Explorer.
            2.2     On the Tools menu, click Internet Options.
            2.3     Click the Programs tab.
            2.4     In the E-mail box, click Microsoft Outlook.
            2.5     Click OK to close the Internet Options dialog box.
      3. Restart DataNumen Exchange Recovery to recover your OST files.

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