We are using the Office Toolkit (Version 4.0) to interface with the Salesforce data (API). We are successfully retrieving data from various tables but can not access the quote table and quote line items. We receive the following error:

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SForceOfficeToolkit4.SQueryResults4.1 error '80004005'

INVALID_TYPE: sObject type 'quote' is not supported. If you are attempting to use a custom object, be sure to append the '__c' after the entity name. Please reference your WSDL or the describe call for the appropriate names.
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When we append the '__c' to custom fields we still receive an error. The WSDL does not provide a solution and various posts to the forum refer to the same problem but so far we do not see an answer posted.

Can someone please tell us how we can access the quote object using Office Toolkit (Version 4.0)? We do have quotes enabled for the organization. If there is any question about API version can you please tell us where to find this in the Office Toolkit?