Excel Protected Workbook Known PW Length

[slyexe]

So far every hashcat summary you've shown has either been the wrong syntax;

Code:

Hash '?l?l?l?l': Separator unmatched

Or has an issue loading the hash.

Code:

Hashfile 'hash.txt' on line 1 (Networ...29650db9647151a349923ea29f76d274): Signature unmatched
No hashes loaded.

So unless you've figured out the issue with the hash, your graphics card should be working just fine.  Just to be sure you can apply a workload to it to not use the optimized kernels by using -w 3.

Code:

hashcat.exe -w 3 -d 2,3 -m 9600 -a 3 --username -1 ?l?u hash.txt ?1?1?1?1