To modify the default attachment limit size in Outlook 2010 for an Internet email account yourself, follow these steps:

1. Exit Outlook.
2. Start Registry Editor in Windows.
3. Locate and then select one of the following registry subkeys:

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Preferences

HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\14.0\Outlook\Preferences

Note Manually create the path in the registry if it does not currently exist.

1. Add the following registry data under this subkey:

Value type: DWORD

Value name: MaximumAttachmentSize

Value data: An integer that specifies the total maximum allowable attachment size. For example, specify 30720 (Decimal) to configure a 30-MB limit.

Notes

• Specify a value of zero (0) if you want to configure no limit for attachments.
• Specify a value that is less than 20 MB if you want to configure a limit that is less than the default 20 MB.

1. Exit Registry Editor
2. Start Outlook.