"MS Excel took it upon itself to throw a gremlin my way and I wasted hours trying to sort this issue out. LostMyPass.com got me the info within a half hour. Unbelievable." — GlocalMe Customer, 5 stars
Unlike local software, LostMyPass operates entirely in the cloud:
This checks your file against a database of approximately 3 million common passwords. It is usually instantaneous and has a high success rate for simple or reused passwords. lostmypass ms excel password recovery
LostMyPass can use multiple GPUs and CPU cores simultaneously, reducing time proportionally.
💡 If you only need to remove sheet/edit protection, LostMyPass will detect it immediately and offer “Remove” without any attack. "MS Excel took it upon itself to throw
Do not start with brute-force. Begin with a custom dictionary that includes your known passwords, company name, and the current year.
If you are trying to unprotect a specific (rather than the whole file) and don't want to use a third-party service, you can sometimes manually remove the protection: It is usually instantaneous and has a high
LostMyPass is a specialized online service designed to recover lost or forgotten passwords for Microsoft Excel files using cloud-based GPU clusters. It is frequently cited as a primary option for users who cannot access encrypted workbooks and prefer not to install local software.
If you absolutely must password‑protect an Excel file, consider using with a password that you also store in a manager.
: This service is often offered for free and utilizes a database of approximately 3 million popular passwords to attempt an instant crack.
Online services (often referred to as "Cloud Cracking") work by uploading your encrypted file to a remote server. The server uses powerful GPUs to try millions of password combinations per second to guess your password.