Archive shares store files in the cloud as actual files (think DropBox) instead of chunks of data (that the Morro system reassembles into files), so there are some limitations imposed by the Cloud Storage Service Provider that must be kept in mind.
Please see the following article for file size limits in Archive shares:
File Naming Limitations
Please see the "Invalid Characters and Names for Files and Folders" section of the following article for file naming limitations:
File Name and Path Limitations