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License & Subscription Issues

Fix Cannot Buy Additional OneDrive Storage in Microsoft 365

Elise WilliamsElise Williams Sep 27, 2026 868 views

Question details

Users are unable to purchase additional OneDrive storage due to transaction failures, syntax errors, or incorrect currency displays during the checkout process.

How to Fix Cannot Buy Additional OneDrive Storage in Microsoft 365
Product
Microsoft 365 / OneDrive
Device & OS
not provided
Scenario
Attempting to upgrade or buy more cloud storage for a Microsoft 365 Personal account.
Observed behavior
The system prevents the purchase by returning a syntax error, displaying the wrong currency, or failing the transaction completely.
Before you start

Ensure you have a stable internet connection and verify that your payment method details are up to date in your Microsoft account before attempting the purchase again.

Solution 1Recommended

Purchase Directly via OneDrive Web and Verify Billing Info

Bypassing desktop apps and purchasing directly through the web interface often resolves temporary glitches, region mismatches, or localized application errors.

Sometimes the in-app upgrade prompt encounters syncing issues with the Microsoft Store or billing servers, leading to syntax errors or incorrect currency. Going directly to the OneDrive website ensures you are communicating with the primary billing system.

1
Log in to OneDrive on the Web

Open your web browser and navigate directly to OneDrive.com. Sign in with the Microsoft account associated with your Microsoft 365 Personal subscription.

2
Access Storage Settings

Click on the gear icon in the top right corner to open Settings, then click on 'Options'. From the left sidebar, select 'Manage Storage'.

3
Initiate the Purchase

Locate the storage summary and click on 'Get more storage'. Choose the additional storage plan you wish to purchase.

4
Verify Account Region and Billing Info

During checkout, double-check that your account region matches your physical location and payment method to prevent incorrect currency issues. Complete the transaction.

Purchase Directly via OneDrive Web and Verify Billing Info
Contact Microsoft Support: If the syntax error, incorrect currency, or failed purchase continues, contact Microsoft Support directly. Billing and account-level details require backend investigation and cannot be resolved in community forums.
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Frequently Asked Questions

Why is my OneDrive storage upgrade showing the wrong currency?

This usually happens if your Microsoft account region settings do not match your current physical location or the billing address of your payment method. Updating your profile region at account.microsoft.com can resolve this.

How long does it take for purchased OneDrive storage to appear?

While it is often instantaneous, it can sometimes take up to 24-48 hours for your newly purchased storage quota to synchronize and reflect across all your devices and applications.

Can I buy more than 1TB of extra OneDrive storage?

Yes, Microsoft 365 Personal and Family subscribers can purchase additional storage in 200GB increments, up to a maximum of 1TB extra, bringing the total possible storage to 2TB.

What happens to my files if my storage upgrade transaction fails?

If the transaction fails, you will remain at your current storage limit. Your existing files remain safe, but if you are over your current quota, you won't be able to upload new files or sync changes until you successfully purchase more space or delete old files.