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If you would like to select what users, mailboxes etc you want to backup, unselect Backup the entire organization and chose what you want to backup and select Create job.
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Include specific objects by first selecting the type of object and then selecting the individual objects that should be backed up.
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Items may also be excluded, but only items not already implicitly included in the job.
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Finally, click on ‘Create job’.
The job will start in the background and you can now follow the process by expanding clicking the history icon for the job.
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