Your company files are *.QBW files. Or if you made a backup then a *.QBB file.
A .LNK file is a link, a tiny file that references another file. It is not useful to recover your data.
Resolution for 'another file issue: 'What files should I recover to restore my company?' available: Yes.
The another file issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the another file issue yourself by looking for a resolution described in the article. If it is a complex another file issue or you are unable to solve the issue, you may contact us by clicking here or by using other another file support options.
For more information about resolving issues related to another file in Quickbooks/QBO or to get support for the issue 'What files should I recover to restore my company?', click the link below: