You can test this out by starting Outlook with no extensions. Method 5 – Start Outlook with No ExtensionsĪnother issue could be a third-party add-in.
Before you delete any profiles, however, make sure you backup your PST file. You can do that by going to Control Panel and then Mail and then Show Profiles and then deleting all the current profiles. If you have a corrupt profile, you will keep getting this error until you create a new profile. You can read the following post which goes into great detail on how to use scanpst with Outlook 2003, 2007, 2010, 20. In this case, scanPST is your best option to repair the problem. If the two methods above didn’t work for you, then you might have a problem with your actual PST file. Then you can safely turn off the cached mode and things will work fine. You may also get this “Exchange” error when you don’t even use Microsoft Exchange. Below are the links to turn off Cached Exchange Mode in Outlook 2007, 2010, 20. If you don’t need a local copy cached, then turn this off and you should no longer get the error. This basically stores a local copy of your Exchange mailbox, which is useful on a laptop, but not on a desktop that is always connected. If you are in an office environment and you’re using Exchange with Outlook, then this problem can be caused by something called Cached Exchange Mode. If not, continue to try the other possible solutions below. Now when you open any program from the Office 2007 package you will be asked to enter a product key, this is where you can enter your new product code and that is how to change office 2007 product key.Now go ahead and try to startup Outlook again and see if the issue has gone away. Repeat this process for the second file called “ProductID”. First, find “DigitalProductID” and right click on it and in the menu that appears click “Delete”, confirm the deletion in the window that appears. Within this folder you need to delete two entries. Step # 3 – Deleting the Registration Entries Inside the “Registration” folder you will find a folder labeled with many numbers, click on this to open its contents in the right side of the window. Within Registry Editor you need to navigate to “HKEY_LOCAL_MACHINE”, “SOFTWARE”, “Microsoft”, “Office”, “12.0” then “Registration”.
Step # 2 – Accessing the Registration Folder In the text field in the window that appears you need to type “regedit” and click “OK”. Make sure that you don’t have any Office 2007 programs running then click on “Start” and then “Run”. This tutorial is going to show you how to change office 2007 product key.