I was trying to find the Office 2013 Keys and all I found was the Windows ones. So here are the links to the key pages at Microsoft.

The keys I use the most at the moment

Software	KMS Client Setup Key
2012 R2 Datacenter	W3GGN-FT8W3-Y4M27-J84CP-Q3VJ9
2012 R2 Standard	D2N9P-3P6X9-2R39C-7RTCD-MDVJX
2012 R2 Standard AVMA	DBGBW-NPF86-BJVTX-K3WKJ-MTB6V
Windows 10 Professional	W269N-WFGWX-YVC9B-4J6C9-T83GX
Windows 10 Enterprise	NPPR9-FWDCX-D2C8J-H872K-2YT43
Windows 10 Enterprise 2015 LTSB	WNMTR-4C88C-JK8YV-HQ7T2-76DF9
Windows 8.1 Enterprise	MHF9N-XY6XB-WVXMC-BTDCT-MKKG7

Links

• Generic Volume License Keys for Windows
• Generic Volume License Keys for Office 2013
• Generic Volume License Keys for Office 2010

Acronym	Full name
AVMA	Automatic Virtual Machine Activation
VLK	Volume License Key
GVLK	Generic Volume License Key
MAK	Multiple Activation Key
KMS	Key Management Services