Bug #2572 Appears to be a 100k Limit on windows for connections.
Submitted: 29 Jan 2004 20:00 Modified: 21 Jul 2004 19:47
Reporter: Boyd Gerber Email Updates:
Status: Won't fix Impact on me:
None 
Category:Connector / ODBC Severity:S2 (Serious)
Version:3.51.06/7 OS:Windows (windows and linux)
Assigned to: Peter Harvey CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: