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QuickBooks File Extension | Step-by-Step Explanation

QuickBooks File Extension

QuickBooks and its useful functions and features are a result of complicated sets of files and software configurations working together to bring out the most efficient accounting application in the market. There are hundreds of files that are important to its day-to-day functions, and multiple extensions differentiate them. The users should have some idea of the types of QuickBooks file extension and their use to avoid any program errors. Here’s a brief on the file extensions in QuickBooks in the blog below.

Using the correct QuickBooks file extension can save you from software crashes and data file corruption troubles. However, errors caused by such malfunctions should be troubleshooted with the help of experts. Dial the toll-free number 1.800.579.9430 and get immediate assistance on the line

Different Types of Files Extensions Used in QuickBooks

There are various QuickBooks file types and all of them are categorized below. Check it out.

Common Files in QuickBooks

The users use these files on a daily basis. So, they should know about their extensions for correct usage.

.QBW – QuickBooks Company File

This is the most commonly used QuickBooks file extension. When the users create a company file, the QuickBooks saves it with a .qbw extension. It holds the account info of the user and is responsible for most of the functions of the application.

.QBB – QuickBooks Backup File

When the user creates a backup of the company file to safeguard their data in an unlikely event of data loss or corruption, QuickBooks saves the file with the .qbb extension. You can restore your lost data with the help of this file.

.QBM – QuickBooks Portable File

There arises a need when the user has to move or e-mail the company file for various purposes. While you can’t send your company file to someone or somewhere, you can create its compressed version, which is saved with the .qbm extension.

.QBO – QuickBooks Bank Statement File

The user can download bank transactions from their bank’s website and import them into the QB bank register. The downloaded transactions are saved with a .qbo extension by QuickBooks.

Additional Files in QuickBooks

These files hold some additional configurations of the QuickBooks application to make it more manageable from the user end.

.DES – Layout Designer Template File

The users can export a customized form template with others after creating it into a file with .des extension.

.QBR – QuickBooks Report Template File

This file is created by QuickBooks when the user tries to export a memorized report template.

.QWC – QuickBooks Web Connector File

There are many useful third-party web applications that a user can connect to with their QuickBooks. Whenever a third-party developer creates a web connector app for the QB users, they create it with a .qwc extension.

qbstbl2.usa – US Tax Table File

Whenever a user downloads the latest tax tables to calculate their payroll taxes, QuickBooks saves them with qbstbl2.usa extension.

Accountant Files in QuickBooks

These files are generally transferred by the users to their accountants whenever they need external assistance to resolve issues in QB accounting copies.

.QBX – Accountant’s Review Copy / Transfer File

The users create these files to export or send to their accountants by backing up their company files. QuickBooks save these files with the .qbx extension.

.QBA – Accountant’s Copy File

When the accountant receives a .qbx file from a client and opens it in QuickBooks Accountant edition to review it, the software saves it with the .qba extension.

.QBY – Accountant’s Copy Import File

After completing their work on the .qba file, the accountant sends the file back to the client with the .qby extension.

.QBJ – General Journal Entries File

If the client wants the journal entries with the file, the accountant can send them a general journal entries file with a .qbj extension.

Utility and Log Files in QuickBooks

These files help with the general connectivity, product registration, and tracking or restoring the records of your QuickBooks.

.IIF – Intuit Interchange Format File

The user can share their list info with other company files through Intuit interchange format file with a .iif extension.

.ND – Network Data File

When the user switches to the multi-user mode, QuickBooks creates a network data file with a .nd extension consisting of user access info.

.TLG – Transaction Log File

Once a user backs up their company file, QuickBooks creates a file with a .tlg extension that tracks all the changes to the company file until the next backup is performed. After a new backup is created, the file resets itself.

.LOG – Event Log File

The QB software tracks important updates on the application in a file with the .log extension. These files can help in resolving issues or going to the root of their causes. The QBwin.log file records errors during a rebuild, while the QWC.log file tracks Web Connect errors.

.ECML – Entitlement File

After installing and registering the product with a valid license key, QuickBooks creates a file with a .ecml extension that holds all the product registration info.

.QBP – QuickBooks Print File

After the user sets up printing preferences for the invoices or tax forms, QuickBooks save these preferences in a file with a .qbp extension.

QuickBooks Statement Writer Files

QuickBooks statement writer is a tool used for documenting professional financial statements complying with GAAP norms (Generally Accepted Accounting Principles). Whenever you work on the statement writer, QuickBooks creates the files mentioned below.


The user info is saved on a file with the .qsm extension. This file can be used in Microsoft Excel.


Any customization in the statements or reports saved by the user lies on the file with a .qss extension.


There are many layout templates available on the QuickBooks Statement Writer. These templates are saved in a file with the .qst extension.

QuickBooks for Mac :- File Types and Usage

QuickBooks for Mac has a totally different set of files and their extensions are as follow:

QB2016 – Company File

The company file for the 2016 version of QuickBooks for Mac is saved with the file extension .QB2016.

QB2019 – Company File

The company file for the newer 2019 version of QuickBooks for Max is saved with the file extension .QB2019.

MAC.QBB – Backup File

If the user intends to move the company file to QuickBooks Desktop for Windows, they can use the MAC.QBB file.

.DMG – Apple Disk Image File

The company file backup created by the user or QuickBooks for Mac is saved in a file with a .dmg extension.

.PLIST – Apple Property List Files

When the user registers the QuickBooks for Mac, the product info and other user preferences are stored in a file with the .plist extension.

At this point, we would like to finish our informative post on different types of QuickBooks file extension. We hope that the blog answers most of your questions regarding the functions of these extensions. However, if you still have some queries left, call on the helpline number 1.800.579.9430 to clear them from a QB expert on the line.