Change the limit for the number of MIME body parts

By default, the limit is 250 for the number of MIME body parts when an e-mail message is converted from MIME to MAPI. The number can be set to any positive integer. This helps prevent scenarios in which Outlook hangs while attempting conversion.

Registry Hive	HKEY_CURRENT_USER
Registry Path	software\policies\microsoft\office\14.0\outlook\options\mail
Value Name	mimebodies
Value Type	REG_DWORD
Default Value	250
Min Value
Max Value	99999