This app allows you to decrypt the encrypted MS Office files with password. You can remove password from Office files with a password you remember.
It also supports the ability to put a password on docx, xlsx, pptx files. Protect the contents of your files with an office password.

It is easy to use, With just a few clicks, you can get the encrypted/decrypted file, and Download this file from your browser directly.
You can open a docx, xlsx, pptx, doc, xls, ppt file from local computer, Google Drive™, Dropbox, and Box.

This app also supports WhatsApp file decryption including crypt12, crypt14, crypt15 with key file.