Why convert FILEBOLT to XLSX?
Filebolt is often used to protect sensitive financial spreadsheets, leaving people with a .filebolt they cannot open in Excel and wanting the .xlsx back. Nothing about the spreadsheet is converted - decrypting simply unwraps the original workbook unchanged, as long as you have the password.
How to convert FILEBOLT to XLSX
Envault Filebolt app
Open the .filebolt in Filebolt via drag-and-drop or "Open bolted file...", type the password, and save the recovered .xlsx. You need an installed copy because the app is discontinued.
About these formats
A .filebolt file is a single file that has been encrypted with the Filebolt app from Envault Corporation, using AES encryption and protected by a password. It could hold anything the owner…
Open .FILEBOLT details →An XLSX file is a Microsoft Excel spreadsheet saved in the Open XML format, introduced with Excel 2007 as the replacement for the older binary XLS format. You can open it without buying…
Open .XLSX details →Quality & what to watch
- This works only if the bolted file was genuinely an
.xlsx; decryption cannot invent a spreadsheet that was never inside. - The restored workbook is identical to the original - formulas, formatting and data are untouched.
- Filebolt is discontinued across all platforms, so an installed copy and the correct password are both required.
Frequently asked questions
How do I get my Excel file out of a .filebolt?
.filebolt in Envault Filebolt and enter the password. If the bolted file was an .xlsx, the app returns it intact.Does decryption change my formulas or formatting?
.xlsx back byte-for-byte, so nothing in the workbook changes.Can Excel open a .filebolt directly?
I don't have the password - can I still recover it?
.xlsx cannot be recovered.