Product name: GVLK key for KMS activation
Office Professional Plus 2019: NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP
Office Standard 2019: 6NWWJ-YQWMR-QKGCB-6TMB3-9D9HK
Project Professional 2019: B4NPR-3FKK7-T2MBV-FRQ4W-PKD2B
Project Standard 2019: C4F7P-NCP8C-6CQPT-MQHV9-JXD2M
Excel 2019: TMJWT-YYNMB-3BKTF-644FC-RVXBD
Outlook 2019: 7HD7K-N4PVK-BHBCQ-YWQRW-XW4VK

Source: Microsoft Office 2019 Volume licensed (Official)