The QuickBooks software may show some errors while accessing the company file or .tlg file. These errors can be resolved by basic tips and tricks like restarting the PC or re-installing the software. But QuickBooks supports a doctor tool named as QuickBooks File Doctor Tool. This tool helps the user to identify and diagnose the error and provide the best solution to solve it.
This tool is basically a software tool that comes inbuilt with QuickBooks version 2015 and post of 2015 versions till the latest version available. But past 2015 version users need to download the software from the internet or from an official website.

In this article we are going to read about:
Compatibility of tool
System requirements for tool
Types of tool
How to use both the tools

Things about Compatibility of QuickBooks File doctor tool
Basic means of compatibility is that on which version or which update or with which software the tool will run on.
The QuickBooks doctor tool is compatible with every version of QuickBooks but from 2016 and above it comes as an inbuilt support and past 2016 it needed to be downloaded additionally.

System Requirements for tool
Every software needs some system requirements to run on it. These are:

Network diagnosis and repair – Use the Admin login in Windows
QuickBooks File Repair
Multi-user repair and diagnosis – Verify that QuickBooks Hosting is in ON mode
Windows 7 or above
Space on Disk
Types of QuickBooks File Doctor Tool
The doctor tool software is of two types in which one of them needs to be downloaded externally but the other one does not.

Stand Alone Version
In-built Version

How to use these versions of doctor tools?
Stand Alone Version

The stand alone version of this tool is to be downloaded externally for the QuickBooks versions past 2016. This tool is not in-built in the quickbooks. In this article we have provided the steps to steps way to explain how to use these versions:

As a matter of first importance, the client should have the most recent updated version of File Doctor, or basically uninstall the current one and introduce the most recent one.
Then, download the QB File Doctor from Intuit's true website or simply click run.
Double tap on the QuickBooks File Doctor device and read the guidelines and complete the installation. When the version is introduced and yet not noticeable on the screen, open it from the Windows task-bar or hit the symbol twice.
Then, find your company file.
Afterward, click on the check damage choice and next click on the option to apply the essential fix. Start QB File Diagnostics to determine the mistakes that you are facing.
The File Doctor device window will give both of you choices to browse. Pick the fitting one for your concern. The two choices are.

If an organization's document was harmed, you can choose the firstchoice.

When you are experiencing the Network issues (Error H101, Error H202, Error H303, or Error H505), select the 2nd choice.
From that point forward, the client needs to type the company file credentials.
Select from the two choices to keep diagnosing and fixing the mistake.
Pick the Workstation choice in case you are directing diagnostics and investigating on the client's PC.
Pick the subsequent choice, for example the worker where you are diagnosing and investigating issues on the QuickBooks customer PC, which implies that the QB organization record doesn't store or host that PC.
Presently, pick Yes, in case you are working on QuickBooks Server/Host and if not on a QB workstation.
Now, the QuickBooks File Doctor device will begin fixing organization documents.
Wait until the QBFD analyzes and decides any potential blunders. The time it takes to measure can fluctuate because of the size of the QuickBooks organization record. Do not interrupt the process in the middle of it.
When the fixing cycle is finished, you will get a pop up message. Then close the tool.
At that point, you will get an affirmation message. Presently in conclusion end the QBFD version.
Open your company file now.

In-built Version
The in-built version of this tool is provided with every QBFD tool post 2016 versions of QuickBooks. Its basic advantage is that it will automatically trigger when some issue gets popped up. Now what if it doesn’t trigger or open itself:

As a matter of first importance, open the QuickBooks to the No organization open window. Try not to sign in to the document.
From that point onward, select the File and then click Utilities and then click Repair record and afterward Network Problems.
Click OK on the appeared dialogue box.
ClicK YES on nest step
Open the Green colored Wrench icon, it will open the QBFDT.
Continue
Provide the credentials that are Username and Password and click Next.
Wait until it repairs
Click Advance settings and open the Diagnosis file, click Next.
After the process, open the diagnosed file.

Points to remember while using the QBFDT

User must need to login as administrator
An internet connection
File size must be more or equivalent to 2 GB
Latest version of QuickBooks.

Both versions of QuickBooks File Doctor tool are able to resolve issue effectively at their end. Some issues may need external help to solve. But most of them can get solved by QBFDT.