Keeping the QB working file on a USB (removable) device means it is very slow and you are going to have problems with Concurrency.

This is not like Word or Excel; nothing really is loaded into Local Memory while you work. That .qbw file has associated Utility files that are Live […]

Resolution for 'Companion files issue: 'I want to keep company file on USB pin drive so I can take it to my different devices? If I need to reload each time I move to another device I will never keep track?' available: Yes.

The Companion files 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 Companion files issue yourself by looking for a resolution described in the article. If it is a complex Companion files issue or you are unable to solve the issue, you may contact us by clicking here or by using other Companion files support options.

For more information about resolving issues related to Companion files in Quickbooks/QBO or to get support for the issue 'I want to keep company file on USB pin drive so I can take it to my different devices? If I need to reload each time I move to another device I will never keep track?', click the link below: