Updated: July 13, 2020 (March 1, 2010)

Office 2010 Affects Application Compatibility

Michael analyzed and wrote about Microsoft's operating systems, including the Windows client OS, as well as compliance and governance. Michael... more

Office 2010, currently in beta, offers new features, including a 64-bit (x64) edition that can handle larger files. As with previous versions, it is necessary to test existing documents and customizations for compatibility before upgrading. Customers moving to 32-bit Office 2010 from Office 2007 will have the fewest compatibility problems, while customers running older Office versions, or those deploying the 64-bit edition, may face more problems. In either case, the key to successful deployment lies in knowing how Office is used in an organization and what steps can be taken now to make an eventual transition to 64-bit Office less painful.

Office Migration Problems

Organizations migrating from a previous version to a new version of Office may encounter a variety of compatibility problems. A successful migration depends on finding all the compatibility problems, and then mitigating them.

Common Compatibility Problems

Depending on whether or not an organization has skipped a version of Office, compatibility issues can include the following:

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