A Step-by-Step Guide to Condense Data in QuickBooks Large data files might cause QuickBooks to operate more slowly, which makes it difficult to effectively manage financial records. One effective way to minimize file size without sacrificing the accuracy of your accounting data is to condense it. This detailed tutorial shows you how to optimize your file using QuickBooks' integrated Condense Data Tool. To start with, be sure to make a backup of your QuickBooks data to guard against any unintentional loss. Then, for added security, log into QuickBooks as the administrator and select Single-User Mode. Navigate to File > Utilities > Condense Data to open the Condense Data utility. For More : https://a2autocare.com/article/quickbooks-file-size-too-large-condense-data/