When you attempt to view more than 30 calendars in Outlook 2010, you'll receive an error message alerting you to a limit of 30 calendars.
The number of calendars is limited to 30 by default but can be rasied by multiples of 10.
- Open the registry editor by pressing Windows key + R and typing regedit then pressing Enter.
- Browse to HKEY_CURRENT_USER\ Software\ Policies\ Microsoft\ Office\14.0\Outlook\Options\Calendar (Create the keys if they do not exist).
Hexidecimal Decimal 28 40 32 50 3c 60 46 70 50 80 5a 90 64 100 Right click on the Calendar key and choose New, DWORD.
- Type (or copy and paste) CalendarMaximumNumber for the DWORD name
- Double click on CalendarMaximumNumber and type a Decimal value into the field. You must use multiples 10, from 40 to a maximum of 100
Do it for me
If you don't want to edit the registry yourself, you can download and run a *.reg file to make the changes for you.
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Last reviewed on Sep 29, 2011
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