Bug: exported history not conforming to CSV specSymptom: if your exported history contains transactions with more that 1000 BTC, importing fails
Reason: comma is used to separate cells - while at the same time it is also used as thousands delimiter
Workaround: use semicolon instead of comma to separate cells in CSV export
Reproduce: a) make some small transactions, b) make a transaction over 1000 BTC, c) export history, d) import in your favourite spreadsheet application using comma as cell delimiter
https://blockchain.info/address/15i1ppL2JdW6xLT9HZh4tcbiqHYw2oFZee