Knowledgebase: Email
How to modify the default attachment limit size in Outlook 2010 for internet email account
Posted by Malcolm W Wren on 10 April 2014 10:41 PM

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.
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