Altera is not continuing to generate or update the I/O timing spreadsheet. Hence we suggest user to get the I/O timing information directly using Quartus tool. To get more information on how to get the I/O information using Quartus tool, please refer to AN 775, which will be available after Quartus 16.1 release.
Altera also provided automation scripts with its design environment to help user obtain the I/O timing information on all available I/O standards. The automation script can be found here: