Outlook calendar shared not updating
You can specify how far back the i Phone should sync events in the i Phone's Settings.
After selecting "Mail, Contacts, Calendars," scroll down to the Calendar section, and then select "Sync." This gives you the options for syncing all past events, ranging from two weeks to six months or all past events.
One of the areas users might expect to “just work” is free/busy and calendar sharing between on-premise and cloud.
The options are there, it looks like it tries to do it..
Using 64-bit Office is not recommended unless you need large (2GB) file support in Excel or Access.
See 64-bit editions of Office 2010 for Microsoft's recommendations.
If most of your meetings run 30 minutes long, the setting works fine, even if you have to adjust it for the occasionally oddball meeting.
On the other hand, repeatedly updating the time interval is inefficient.
If most of your events aren't 30 minutes long, change the default setting as follows: This route displays a number of settings via the Format dialog box (Figure A), but there's a quicker way to reset the timing interval.
If you are using Outlook 2010 Home and Business C2R, you should uninstall it then log into the download site and download the MSI.
This will install the traditional Office suite, which is recognized by other applications.
If only past events aren't syncing to your i Phone, enable the option to sync past events in the i Phone's Settings.