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\16.0\outlook\options\mail |
Value Name | mimebodies |
Value Type | REG_DWORD |
Default Value | 250 |
Min Value | |
Max Value | 99999 |