Antivirus software loves to block bigfile.000 because the game constantly reads large chunks of data from it, resembling suspicious behavior.
Right-click RiseOfTheTombRaider.exe → Properties → Compatibility → Run this program as an administrator.
Report ID: TR-SFX-2024-01
Product: Rise of the Tomb Raider (Microsoft Windows, Steam, Epic Games Store)
Error Message: “Unable to open BIGFILE000.tiger” (or similar referencing BIGFILE000.top / .tiger)
Severity: High (Game launch failure / Crash on startup)
The “unable to open bigfile000.top/tiger” error is a local file access failure, not a game engine bug. In over 95% of cases, verifying game integrity and adding the game folder to antivirus exclusions resolves the issue. Persistent cases may require disk diagnostics or reinstallation.
Final Recommendation:
Report compiled by: Technical Support Analysis Unit
References: Steam Community, GOG Forums, Square Enix Support KB (archived), Reddit r/RiseoftheTombRaider
Fixing the Rise of the Tomb Raider "Unable to Open bigfile000.tiger" Error
Rise of the Tomb Raider is a cinematic masterpiece, but nothing kills the immersion faster than a sudden crash to desktop accompanied by the dreaded "Unable to open bigfile000.tiger" error message. This specific error usually points to a communication breakdown between the game engine and its core data archives.
Whether you are launching the game for the first time or encountered this during a high-octane set piece, here is how to resolve the issue and get back to Siberia. Verify Game File Integrity
The most common culprit is a corrupted data packet. If the bigfile000.tiger file was interrupted during download or damaged by a hard drive hiccup, the game cannot read it. Open your Steam Library. Right-click on Rise of the Tomb Raider. Select Properties, then go to the Installed Files tab. Click Verify integrity of game files.
Steam will scan your folder and re-download any missing or broken segments. Manage Your Antivirus Exceptions
Aggressive antivirus software often flags the large .tiger files as suspicious because of their size and encryption. This prevents the game from "opening" the file. Open your Antivirus settings (or Windows Security). Locate the "Exclusions" or "Exceptions" list.
Add the entire Rise of the Tomb Raider installation folder to the list. Restart your computer and try launching the game again. Disable Exclusive Fullscreen and DX12
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. rise of the tomb raider unable to open bigfile000 top
Open the Rise of the Tomb Raider launcher (the small window before the game starts). Go to Options and then the Display tab. Uncheck Exclusive Fullscreen.
Switch between DirectX 11 and DirectX 12. If you are currently on DX12, many users report that reverting to DX11 clears the bigfile error immediately. Check for Sufficient Disk Space
The bigfile000.tiger is a massive archive. If your drive is at 99% capacity, the game may struggle to create the temporary cache files needed to read that archive.
Ensure you have at least 5-10 GB of free space on the drive where the game is installed.
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
If all else fails, the file structure itself may be beyond simple repair. Uninstall the game via Steam.
Manually navigate to the installation folder and delete any leftover files.
Perform a fresh install on a different drive (preferably an SSD) to rule out hardware failure.
💡 Pro Tip: Always ensure your GPU drivers are updated to the latest version, as NVIDIA and AMD often release patches specifically designed to help game engines handle large asset streaming.
The Mysterious Case of the Unopenable Bigfile000.top
It had been months since Lara Croft's adventures in Siberia, and she had finally returned to her humble abode in London. The memories of her perilous journey to uncover the secrets of the legendary Divine Source still lingered in her mind. However, a new challenge was about to emerge, one that would test her skills as an archaeologist and problem solver.
Lara had received a cryptic message from an anonymous source, hinting at the existence of a long-lost artifact hidden deep within the English countryside. The message was brief, but it was enough to spark Lara's curiosity. She gathered her gear and set out to uncover the truth.
As she arrived at the designated location, Lara noticed an old, abandoned mine on the outskirts of a small village. The mine seemed to have been untouched for decades, and Lara suspected that this might be the place she was looking for. She cautiously made her way inside, her trusty bow and arrow at the ready. Antivirus software loves to block bigfile
Upon entering the mine, Lara stumbled upon an ancient computer terminal. It was an old system, but it seemed to be still operational. As she approached the terminal, she noticed a large file labeled "Bigfile000.top" on the screen. The file seemed to be the key to unlocking the secrets of the mine, but to Lara's frustration, she was unable to open it.
The error message "Unable to open Bigfile000.top" flashed on the screen, and Lara was stumped. She tried to access the file from different angles, but it seemed to be encrypted or corrupted in some way. Lara's mind began to wander; she thought about all the possible solutions she could try. She remembered a similar problem she had encountered during her adventures in the jungle, where she had to use her knowledge of ancient languages to decipher a cryptic message.
As she pondered, Lara noticed a small, hidden compartment in the terminal. Inside, she found a cryptic note that read:
"The eyes that see are not the ones that look, But the ones that understand the code of the ancients."
Lara realized that the note was hinting at an ancient cipher, one that she had studied during her time at university. She quickly got to work, applying the cipher to the file. After several minutes of intense focus, the file finally opened, revealing a 3D scan of the mine's tunnel system.
The scan showed a hidden path, previously invisible to Lara. The path seemed to lead to a deeper part of the mine, and Lara suspected that this was where the artifact was hidden. With renewed excitement, she set off towards the hidden path, ready to face whatever challenges lay ahead.
As she ventured deeper into the mine, Lara encountered treacherous terrain, ancient traps, and hidden dangers. But with her wit, courage, and determination, she overcame each obstacle, drawing closer to her goal.
Finally, after what seemed like hours of navigating the mine, Lara stumbled upon a hidden chamber. Inside, she found the artifact – an ancient relic of immense historical significance. As she gazed upon the relic, Lara felt a sense of pride and accomplishment; she had solved the mystery of the unopenable Bigfile000.top and uncovered a piece of history.
The artifact, it turned out, was a crucial piece of evidence that would change the course of history. Lara's discovery would go on to rewrite the books on ancient civilizations, and her name would become synonymous with archaeological excellence.
And as for the mysterious Bigfile000.top, it remained a testament to Lara's ingenuity and determination – a reminder that sometimes, the greatest challenges are the ones that lead to the greatest discoveries.
The error "unable to open bigfile000.tiger" in Rise of the Tomb Raider
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)
The fastest way to resolve this is to let your game launcher scan for and replace the corrupted bigfile000.tiger. On Steam: Right-click RiseOfTheTombRaider
Open your Steam Library and right-click Rise of the Tomb Raider. Select Properties > Installed Files (or Local Files).
The error "Unable to open bigfile.000!" in Rise of the Tomb Raider typically indicates that the game cannot access its primary data archives. This is often caused by corrupted installation files, antivirus interference, or insufficient administrative permissions. Quick Fixes to Try First
Restart Your Computer: A simple reboot can clear temporary file locks that might be preventing access to bigfile.000. Verify Game Files:
Steam: Right-click the game in your Library > Properties > Installed Files > Verify integrity of game files.
Epic Games: Click the three dots next to the game > Manage > Verify.
Run as Administrator: Navigate to the game's installation folder, right-click ROTTR.exe, and select Run as administrator. Advanced Troubleshooting Steps 1. Add Antivirus Exceptions
The "Unable to open bigfile.000.tiger" error in Rise of the Tomb Raider
typically indicates that the game cannot access its main data archive, usually due to file corruption, insufficient permissions, or security software interference. Quick Fixes to Try First Verify Game Files : This is the most reliable fix. In , right-click the game, go to Properties > Installed Files (or Local Files), and select Verify integrity of game files
. Steam will automatically re-download any missing or corrupted "bigfile" parts. Run as Administrator
: Right-click the game’s executable or launcher and select Run as administrator
to bypass permission issues that might prevent the game from reading large archive files. Antivirus Exceptions : Sometimes security software flags the
files as false positives. Add the game’s installation folder to your antivirus Exclusion List Check Disk Space
: Ensure your drive has enough free space; "bigfile" errors can occur if the game doesn't have room to expand temporary data. Rise of the Tomb Raider (PC) - Review Draft Rating: 8.5/10 (Highly Recommended)
How to FIX Rise of the Tomb Raider Not Launching/Not Starting