SoftMaker Office PlanMaker can secure an Excel (.XLSX) spreadsheet with strong AES256 password encryption. This is standard functionality and no additional file encryption software is needed. This article describes how to use password encryption in a secure way. If the instructions are followed properly, the result is an encrypted document that can only be opened/saved by entering the correct password(s). Encrypt the document on Save As You can easily encrypt a workbook, all encryption...

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