Rise Of The Tomb Raider Unable — To Open Bigfile000 Top [exclusive]

The "Unable to open bigfile.000" error in Rise of the Tomb Raider

If you are using an external drive, ensure it is plugged into a USB 3.0 port, as slower speeds can cause timeout errors when opening large files. Reinstall the Game rise of the tomb raider unable to open bigfile000 top

Solution 8: Reinstall the Game on an NTFS Drive (Not FAT32/exFAT)

This is a rare but critical cause. The bigfile.000 file is larger than 4GB. If you installed the game on an external USB drive formatted as FAT32 or exFAT, those file systems cannot handle single files over 4GB properly. The "Unable to open bigfile

Another potential solution is to update the graphics drivers to the latest version. Outdated graphics drivers can cause compatibility issues with the game, leading to errors such as the "unable to open BigFile000.top" error. Players can check for updates to their graphics drivers through the manufacturer's website or through a driver update tool. Temporarily disable antivirus / Windows Defender

Potential Solutions

Sometimes this error is triggered by a handshake failure between the graphics API and the game assets. Changing how the game renders can bypass the file-opening hang.

  1. Temporarily disable antivirus / Windows Defender

If problem persists

typically points to corrupted or missing core game data. This specific file acts as a massive archive containing a significant portion of the game's assets. 1. Verify Integrity of Game Files (Most Likely Fix)