Microsoft in December warned that using certain applications to save files to Home Server could cause files to become corrupted, including Vista Photo Gallery, Windows Live Photo Gallery, Office OneNote 2007, Office OneNote 2003 and Office Outlook 2007. Microsoft later expanded this group to include Excel and Windows Media Player 11, Photoshop Elements, Adobe Lightroom, Zune Software, Apple iTunes, Mozilla Thunderbird, and WinAmp.