Did you create the spreadsheet or buy it somewhere?
What do you list on it?
I have been writing things down in a notepad but it would be great to have something on my PC.
Yes, I created my own for load developing.
What is has for columns: 5 "sections", each with a few columns ... Depending on where I am in the load development, I will sort it by either Powder Weight or OAL.
Bullet: Caliber, weight, type, maker
Powder: Brand, weight
Brass: Maker, Case Length
Primer: Maker, Type
Other:
OAL Length, Crimp (Yes/No), Avergage 5 Shot group size @ 100 Yards, Notes (used for comments like "near max, primer flattened", "vertical/horizontal stringing", "Compressed Load", etc...)
Only thing I don't include is Velocity as I don't own a chrony.
Once I have finsihed developing a load, then I'll transfer the chosen load to my Recipe Book with any notes I think are relevant.