Hi there, @Reinhard1. I'm here to make sure you can access your company file right away.

QuickBooks Desktop (QBDT) 2013 is already an outdated or discontinued program. This could be the reason why it crashed. We have a Data Services team that handles migrations from old versions of QBDT into the newest. I'd suggest reaching out to our Customer Care Support team. They'll be able to submit the case and guide you through the process of uploading your company file to data services.

1. Select QuickBooks Desktop Help from the Help menu.
2. Click Contact Us.
   
3. Type in a short description of your concern, then Continue.
4. Choose a way to connect with support.

Once you receive the file, restore the file to your QBDT 2019. Here's how:

1. Make sure all users are logged out of your company file.
2. Open your new version of QuickBooks Desktop.
3. Go to the File menu and select Open or Restore Company.
4. Click Restore a backup copy and then click Local backup. 
5. Browse your computer for your company file. You wrote down the file location in Step 1. Select it and then click Open. 
6. Sign in to your company file as an admin user.
7. Before you upgrade, QuickBooks automatically creates a backup of your existing company file. You can select Change this default location to save the backup in a specific folder.
8. Choose Update Now to start the upgrade.
9. Click Done.

For more information, see Step 3 through this article: Upgrade Your Company Files. 

After that, update QuickBooks so you have the latest software release. 

You can always tap me if you need further assistance with upgrading your file. I'm always here available to help. Have a good one.

@Reinhard1 

Which QBD country version do you have?

Hi, I've got the UK version I believe. I managed to install 2013 on my laptop, but it gave me another error, saying the  company file was not created in the US version. I'm going to try through above steps and see if I can resolve the issue.

You are unable to use QBD US version to open the file created on QBD UK version. Just to clarify your needs, do you need to cross-grade your file of QBD 2013 UK version to QBD 2019 US version?

//This is QuickBooks configuration File. It exists while users are connected..// to a company file. Do not delete this file yourself. QuickBooks may not..// operate correctly IF you manually delete this file...[NetConnect]..EngineName=QB_data_engine_29..FilePath=C:\Users\Public\Documents\Intuit\QuickBooks\Company Files\Global Destinations $ Travel Ltd-unprotected.QBW..ServerMode=2..FileConnectionGuid=.....

@joseph42 

Any specific concern?