As we know once a week Windows Home Server schedules a job to go through and delete its unnecessary or no longer desired PC Client backups that it accumulates over time. Here is a useful guide to running the cleanup using Task Scheduler.
My friend, fellow MVP and the Technical Reviewer on my Working with Small Business Server 2011 Essentials Book, Robert Pearman has just posted a really great article on SBS 2011 E and the Office 365 Integration Module.