It sounds like your Armory might have been configured to use a different type of "Change" address...
Is it set to "Auto Change" or is "Force a script type" set? If "Force Type", what is the "type" that it is set to?
"Auto" will create change outputs that will try to match the recipient type in an effort to increase privacy (it makes it harder to determine what the change output is)... so it's possible that while your "receive" address types were "Legacy", your change outputs were going to "P2SH-P2PK" addresses or "Nested SegWit" (P2SH-P2WPKH) addresses.
Is it set to "Auto Change" or is "Force a script type" set? If "Force Type", what is the "type" that it is set to?
"Auto" will create change outputs that will try to match the recipient type in an effort to increase privacy (it makes it harder to determine what the change output is)... so it's possible that while your "receive" address types were "Legacy", your change outputs were going to "P2SH-P2PK" addresses or "Nested SegWit" (P2SH-P2WPKH) addresses.
I have "Auto". I do have a lot of transactions below "P2SH-P2PK" and none below "P2SH-P2WPKH".
so there are lots of contradictory things in this thread. you say the balance is correct but also say certain transactions are missing.
it would be best if you simply created a new deterministic electrum wallet and sent all your coins to an address in that using armory. exporting and importing private keys can be error prone as you've discovered.
it would be best if you simply created a new deterministic electrum wallet and sent all your coins to an address in that using armory. exporting and importing private keys can be error prone as you've discovered.
I moved my coins when I had armory to another wallet. Then I imported the "old" armory wallet private keys into electrum. The balance is zero in both armory and electrum
