When working with QuickBooks Desktop over a network or with a large company file, you may experience certain types of performance issues relating to slowness, taking a long time to open, or other similar behavior. It is important to understand the different types of performance issues that can occur:
  • Taking a long time to open the file.
  • Company file tasks slow down as the number of users signing into the file increase (multi-user environment).
  • Company file runs fine in the morning and slows down as the day progresses.
  • Performance issues for everyone in the office.
  • Performance issues for only one or two people in the office.
  • Intermittent performance issues (certain tasks are quick, while others are slow).
  • Similar data issues in multiple data files, indicating that the network is damaging your data files.

This article is Part 1 in a set of 3 articles regarding performance issues in QuickBooks. If the steps in this article do not resolve your issues, try the steps in the other articles:

Be aware that every day you use QuickBooks Desktop, your data file grows larger. As your file grows, it requires more resources to operate. It is not unusual for data files to grow too large for the installed network to support it and you will need to enhance your network.

Ensure your network setup is within these recommendations

Identify and resolve performance problems

Important: Some of these steps are best performed by a qualified IT professional, especially if you do not have Administrator access to your server computer.

Be sure to update to the latest release before troubleshooting performance issues.


If after performing all these steps and you are still experiencing performance issues, Press F2 within the program and consider the following:

  • How large is your company file (file size)?
    QuickBooks Enterprise Solutions: If your company file size is >500 MB, you cam Improve QuickBooks performance by verifying it is using the correct amount of memory.
  • Do any of your lists exceed the recommended limits (list information)?
  • How many years worth of data do you have (versions used on this file)?
While there are no actual hard limits for the company file, performance may be impacted if you have; a large file (over 500mb for Pro/Premier and 1.5GB for Enterprise), more than 7 years worth of transactions, or are exceeding any of the list limits, you may be best suited to either condensing your QuickBooks data (applies to US only) or starting a new company file.