Password Protect XLSB
Protect your XLSB files with free online password protect app!
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We have already processed 24,471 files with the total size of 52,214 MB
XLSB is a binary spreadsheet file created by Microsoft Excel and was designed to provide better performance in data processing compared to XLSX. In case your spreadsheet contains sensitive information you can limit access to your XLSB spreadsheet by setting a password.
Password Protect is a free secure online web application that enables you to protect XLSB spreadsheets. You can easily add a password to XLSB file within a couple of clicks and download a protected file.
To password protect XLSX spreadsheets we're using AES encryption algorithm with key length 128 bits. This encryption method provides high protection level against brute-force attacks that are used by attackers to decrypt a protected file.
To secure XLSB spreadsheets using Password Protect application upload your file, type the password, click protect button, and download the protected file. The download link will be available for 24 hours. While we automatically remove your files from our servers we also enable you to remove the files manually. After you removed files manually the download link won’t work anymore.
Submit your file
Click inside the file drop area to upload a XLSB file or drag & drop a XLSB file.
Type the password
Enter the password that you want to use to protect the file.
Protect file
Click "Protect" button and wait until process is completed.
Get Result
Click on "Download" button to get protected file.