Solution : https://service.sap.com/sap/support/notes/1018674 (SAP Service marketplace login required)
Key words :
path /default_host/sap/crm/, terms office integration reason, active scripting run active, internet explorer browser settings, working web service created, office integration functionality, higher crm releases, crm-bf-wst, browser service crm_oi, attachment assignment block
Related Notes :
1262304 | Release Restrictions for Safari browser for WEBCUIF |
1114557 | SAP CRM 2007, CRM 7.0 Internet Browser Compatibility |