打开注册表编辑器
1、运行regedit
2、删除HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\11.0
\Registration\{90110404-6000-11D3-8CFE-0150048383C9}下的DigitalProductID和ProductID子键
3、重新打开OFFICE系列软件，将会提示重新输入更新的序列号提供3个可以通过验证的KEY
T6PVR-Q6DYH-G6WXQ-D73Q9-7TPMG
FTYBP-J2B4K-K7JHY-3JG2K-MT9VM
GWH28-DGCMP-P6RC4-6J4MT-3HFDY
更换office 2007序列号的方法
1、运行regedit
2、删除注册表[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\12.0
\Registration\ {90120000-0051-0000-0000-0000000FF1CE}]键中ProductID和DigitalProductID两项。
3、运行office，弹出安装程序，要求输入key，点击安装即可。
没装office2007，无法验证以下key，仅供参考！
Office 2007 Suites
DBXYD-TF477-46YM4-W74MH-6YDQ8
Office 2007 Applications
OW2JJW-4KYDP-2YMKW-FX36H-QYVD8
Office 2007 Suites（Microsoft Office 2007 简体中文企业版）
DBXYD-TF477-46YM4-W74MH-6YDQ85
Office 2007 Applications
W2JJW-4KYDP-2YMKW-FX36H-QYVD8
Office Professional Plus 2007
MTP6Q-D868F-448FG-B6MG7-3DBKT4
Office Project Professional 2007
CD-Key: W2JJW-4KYDP-2YMKW-FX36H-QYVD8
Office Visio Professional 2007 简体中文版
CD-Key: W2JJW-4KYDP-2YMKW-FX36H-QYVD8
Office OneNote? 2007
TFKGD-9VXBG-T22DK-FQB9P-MBPG6
Office SharePoint? Designer 2007
VQCR8-6KP8Q-Y2FTW-3YQD7-R22G6
Microsoft? Office SharePoint? Server 2007 - Enterprise
FDJDK-66WCT-2HD9C-4TY63-38C4G7
Microsoft? Office SharePoint? Server 2007 - Enterprise(x64)
FDJDK-66WCT-2HD9C-4TY63-38C4G
Microsoft? Office Forms Server 2007
FDJDK-66WCT-2HD9C-4TY63-38C4G
Microsoft? Office Forms Server 2007 (x64)