Have you ever experienced opening a CSV by double-clicking it, only to find that 007 became 7, 4901234567890 became 4.90123E+12, or product codes turned into dates? The tricky part is that it has ...

Program-side access to Excel is interesting for many areas of application. It is therefore not surprising that Python provides libraries for this purpose. In addition to pandas, openpyxl should also ...

製造業や商社、購買・営業事務の現場で、毎月のように繰り返される最も泥臭く、そして生産性の低い作業――それが「取引先ごとにレイアウトやセル位置が異なるExcel見積書・注文書の手動転記」です。