Problem Description:
When you work in Microsoft Outlook, Microsoft Office OneNote 2007 buttons or OneNote 2010 buttons may be missing as follows:
• When you work in an e-mail item, the Send to OneNote button is missing.
• When you work in a calendar item or in a task item, the Notes about This Item or the Linked Meeting Notes button is missing.
This issue may occur when the OneNote add-in is disabled in Outlook or if the Outlook Integration has not been installed.
For Windows Vista or Windows 7
1. Click Start, type programs and features in the Search box, and then press ENTER.
2. Right-click on the version of Office or OneNote that is installed, and then click Change.
3. Select Add or Remove Features, and then click Continue.
4. Expand Microsoft OneNote.
5. Expand Send to OneNote Add-ins.
6. If there is an X next to Outlook Integration, click on the X, and then click Run from My Computer.
7. Click Continue.
To enable the OneNote add-in in Outlook, follow these steps.
For Outlook 2010
1. On the File menu, click Options.
2. Click Add-ins.
3. If OneNote Notes about Outlook Items is listed under Inactive Application Add-ins, follow these steps:
• In the Manage box, click COM Add-Ins, and then click Go.
• In the COM Add-Ins dialog box, click to select the OneNote Notes about Outlook Items check box, and then click OK.
If you have any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues J Thank you.