# Upgrade QuickBooks Desktop Pro Plus 2018 to 2021: Complete Guide

QuickBooks Desktop **Pro Plus 2018** is a subscription-based version, but older versions no longer receive support, security updates, or payroll enhancements. Upgrading to **QuickBooks Desktop Pro Plus 2021** ensures your business enjoys **better performance, updated features, and full support**.

## Why Upgrade QuickBooks Desktop Pro Plus 2018 to 2021?

Continuing to use Pro Plus 2018 exposes your business to:

* ❌ No security updates or patches
* ❌ Payroll and tax updates may stop working
* ❌ Compatibility issues with Windows updates
* ❌ Risk of data corruption or software crashes

Upgrading ensures **secure, stable, and compliant accounting operations**.

## Benefits of QuickBooks Desktop Pro Plus 2021

### Key Advantages

* **Automatic updates** with an active subscription
* **Enhanced security and encryption**
* **Improved multi-user performance**
* **Advanced reporting and dashboards**
* **Updated payroll and tax calculations**

> **Expert Insight:** Businesses upgrading from Pro Plus 2018 to 2021 experience smoother multi-user collaboration, faster report generation, and fewer crashes.

## System Requirements for QuickBooks Desktop Pro Plus 2021

Before upgrading, ensure your system meets these requirements:

* **Operating System:** Windows 10 (64-bit recommended)
* **Processor:** 2.4 GHz or higher
* **RAM:** 4 GB minimum (8 GB recommended)
* **Disk Space:** 2.5 GB minimum
* **Internet:** Required for product activation and updates

> ⚠️ **Note:** A wired internet connection during installation is recommended for faster updates.

## Pre-Upgrade Checklist

Before upgrading QuickBooks Pro Plus 2018 to 2021, complete the following steps:

* ✔ Back up your company file
* ✔ Update Pro Plus 2018 to the latest patch release
* ✔ Verify and rebuild company data
* ✔ Log in as Windows Administrator
* ✔ Temporarily disable antivirus programs

## Step-by-Step Guide Upgrade QuickBooks Desktop Pro Plus 2018 to 2021

### Step 1: Back Up Your Company File

1. Open QuickBooks Pro Plus 2018
2. Navigate to **File → Back Up Company → Create Local Backup**
3. Save your backup to an external drive or secure cloud storage

### Step 2: Download QuickBooks Desktop Pro Plus 2021

* Log in to your Intuit account
* Download the installer for your subscription

### Step 3: Install QuickBooks Desktop Pro Plus 2021

1. Run the downloaded installer
2. Enter your subscription credentials
3. Follow the on-screen instructions to complete installation

### Step 4: Open & Upgrade Your Company File

1. Launch QuickBooks 2021
2. Select **Open Existing Company File**
3. Choose your Pro Plus 2018 company file
4. Allow QuickBooks to automatically upgrade the file format

> **Real Example:** A small accounting firm upgraded from Pro Plus 2018 to 2021 and reduced report generation time by 40% with zero data loss.

### Step 5: Verify Data After Upgrade

* Review **Profit & Loss** and **Balance Sheet** reports
* Check payroll, inventory, and tax data
* Confirm user permissions and preferences

## Common Issues During Upgrade & Solutions

| Issue | Solution |
| ----------------------- | ------------------------------------------------------ |
| Company file won’t open | Use **QuickBooks Tool Hub → Company File Issues** |
| Upgrade freezes | Perform a **Clean Install** of QuickBooks 2021 |
| Payroll inactive | Reactivate payroll services after upgrade |
| License not recognized | Sign in with the Intuit ID linked to your subscription |

## Best Practices for a Smooth Upgrade

* Upgrade outside business hours
* Keep only one version of QuickBooks installed
* Avoid opening files stored on network drives
* Schedule regular backups after upgrading

## Upgrade QuickBooks Desktop Pro Plus 2018 Today

**Need help upgrading QuickBooks Pro Plus 2018 to 2021?**
📞 **Call QuickBooks Experts: 866-593-4750**
Secure, fast upgrades with zero data loss.

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## FAQs: Upgrade QuickBooks Desktop Pro Plus 2018 to 2021

**Q1: Can I upgrade directly from Pro Plus 2018 to 2021?**
Yes. QuickBooks automatically converts your company file during the upgrade.

**Q2: Will my data be safe?**
Yes, as long as you create a backup before upgrading.

**Q3: Do I need a new license?**
Pro Plus 2021 uses the subscription license, so no new license is required if your subscription is active.

**Q4: How long does the upgrade take?**
Typically 30–60 minutes depending on file size.

**Q5: Can I keep Pro Plus 2018 installed?**
Not recommended, as multiple versions may cause conflicts.

## Conclusion

Upgrading from **QuickBooks Desktop Pro Plus 2018 to 2021** ensures **security, performance, and compliance**. With faster reporting, improved payroll processing, and expert support, it’s a smart move for any business.

### 👉 Avoid downtime or data issues

📞 **Call QuickBooks Upgrade Specialists Today: 866-593-4750**

Get expert assistance, a smooth upgrade, and complete peace of mind.