There are various websites which offer free online password unlocker services to unlock word, excel, ppt, and outlook file passwords. If you don't know the password, and you also have no permission to unlock the Excel 2016 document, you can try some online Excel password unlocker tools which requires you to first upload your file to their servers. Unlock Excel Password 2016 using Online Service With this protection, you can make any part of the sheet editable but most of the content will be protected. Sheet Password: This will prevent any other user from changing, moving or erasing any data inside a worksheet. Means it will only protect the structure of the document but certainly won't have any effects when modifying the contents. This phenomenon is called the structure workbook password. Workbook Structure Password: This will typically prevent any user from adding, moving, deleting, hiding or even renaming the worksheet file. Generally used in offices so that no one can copy or modify any content inside it. Read-Only Password: This means a user can read the content only. Modify Password: Modify Password is usually required when you are making some changes in the document and then try to save it.īasically, you can read the file and indeed you can modify it as well but you will be required to enter the correct password of the document. Open Password: It typically means that the protection of the Excel file will be visible upon opening the file. There are many types of excryption plans introduced in Excel 2016, so before unlocking Excel file password, it's necessary to know about the Excel Encryption type: