The potential is limitless, but just how many folders and files can you put in Live Mesh today? What’s the maximum file size and how many people can you invite into a folder? Is there a limit to the number of devices you can add? The Live Mesh Team answered as follows:

• Size of all contents in a single Live Folder: 10GB (of course there’s still the 5GB quota which limits how much you can synchronize with the Live Desktop)
• Individual file size: 2GB
• Items (file or folders) per Live Folder: 100,000
• Members per Live Folder: 200
• Number of Live Folders per user: 200
• Number of devices per user: 100

The Team expects these numbers to go up with subsequent service updates. Now we’ve not seen an update since their post (yesterday), but either they wrote it down wrong or the numbers have gone up already, without service update as Paul Thurrott managed to synchronize one folder that has about 20 GB of content in P2P mode…*

Speaking about limits, there are also some limits on the file/folder type you can share or synchronize. You cannot synchronize or share the following with Live Mesh:

• Files whose names begin with a tilde (~)
• desktop.ini
• thumbs.db
• Hidden files
• Windows Systems folders
• Your Desktop directory folder (for example, C:\users\[myusername]\Desktop on Windows Vista or C:\Documents and Settings\[myusername]\Desktop on Windows XP)
• Files and folders stored on removable media (such as an external hard drive, flash drive, or USB drive)

Live Mesh also blocks files that have the following file extensions: .bak, .gfs, .lnk, .pst, .sav, .tmp and .wlx

You are also not allowed/supposed to share files containing obscene or copyrighted material. Copying or sharing unauthorized materials, including materials that you did not create or you do not have the rights necessary for use, is a violation of the Windows Live terms of use. See the Microsoft Copyright Notice and FAQ.

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* Update from the Live Mesh Team:

These are not limits that are hard coded into the system. They are boundary guidelines we've established based on internal and external feedback, and we're confident that anything under these boundaries will work well for all users. Because they are not hard coded limits, you can exceed these boundaries, and at that point your mileage may vary.  Feel free to certify and share your own success stories...and stay tuned as we will definitely increase these boundaries/guidelines as we complete further tuning and testing.