Yes, I would amend each year to show the continuity of the carryover. Here is an excerpt Capital Loss:
Your capital loss carryover is reduced by the amount of capital loss that was actually used to reduce your taxable income, not by the amount of capital loss deduction shown on your tax return. In figuring this amount, you’re allowed to use all other deductions before using the capital loss deduction. This rule is reflected in a Capital Loss Carryover Worksheet that appears in the instructions for Schedule D and also in IRS Publication 550, Investment Income and Expenses.
I would, for prior years, print form 1040 for years you had no income and1040x from the IRS website and do it by hand. You are not changing anything, you are showing the carryover from year to year. The 2020 program will not bring forward from 2017. The 2020 amendment 1040x is not yet ready.
