Method 1: Open the Company File Correctly (Basic Fix)

Opening the file directly from its folder instead of through QuickBooks can trigger QuickBooks Error 80070057.

Steps:

1. Open QuickBooks Desktop

2. Click File → Open or Restore Company

3. Select Open a company file

4. Browse to the .QBW file location

5. Select the file and click Open

This ensures QuickBooks accesses the file with proper permissions.

Method 2: Run QuickBooks as Administrator

Permission issues are one of the biggest causes of QuickBooks Error 80070057.

Steps:

1. Close QuickBooks

2. Right-click the QuickBooks Desktop icon

3. Select Run as Administrator

4. Try opening the company file again

Method 3: Check and Correct Folder Permissions

Incorrect permissions can block QuickBooks from accessing the company file.

Steps:

1. Go to the folder where the company file is stored

2. Right-click the folder → Properties

3. Click Security

4. Ensure Full Control is enabled for:

   • Users

   • Everyone

5. Click Apply → OK

This allows QuickBooks to read and write data properly.

Method 4: Rename .ND and .TLG Files

Corrupted network files can cause QuickBooks Error 80070057.

Steps:

1. Open the company file folder

2. Locate files ending with:

   • .ND

   • .TLG

3. Right-click each file and select Rename

4. Add .old at the end (example: companyfile.qbw.nd.old)

5. Reopen QuickBooks

QuickBooks will automatically recreate these files.

Method 5: Use QuickBooks File Doctor (Recommended)

QuickBooks File Doctor is designed to fix company file and network issues.

Steps:

1. Download QuickBooks Tool Hub

2. Open Tool Hub

3. Select Company File Issues

4. Click Run QuickBooks File Doctor

5. Browse and select your company file

6. Let the tool complete the scan

This tool often resolves QuickBooks Error 80070057 automatically.

Method 6: Verify Hosting Settings

Incorrect hosting configuration may block file access.

Steps:

1. Open QuickBooks

2. Go to File → Utilities

3. If you see Host Multi-User Access, click it (server only)

4. Workstations should show Stop Hosting Multi-User Access

Incorrect hosting can trigger QuickBooks Error 80070057.

Method 7: Move the Company File to a Local Drive

Opening files from a network or external drive can cause issues.

Steps:

1. Copy the company file to Desktop or C: Drive

2. Open QuickBooks

3. Browse and open the file from the local location

If it opens successfully, the issue is network-related.

Method 8: Configure Firewall and Antivirus

Security software may block QuickBooks files.

Steps:

1. Add QuickBooks as an exception in firewall

2. Allow ports:

   • 8019

   • 56728

   • 55378–55382

3. Add QuickBooks program files to antivirus exclusions

Method 9: Update QuickBooks Desktop

Running an outdated version can cause file access errors.

Steps:

1. Open QuickBooks

2. Click Help → Update QuickBooks Desktop

3. Select Update Now

4. Click Get Updates

5. Restart QuickBooks