I have just placed an order, is there any way that it can be cancelled?

To cancel a pending order, follow these general steps, which may vary depending on the platform or service you used to place the order:

1. Check Order Status: Log in to the platform or website where you placed the order and check the order status. If the order is still pending and has not been processed or shipped, you may have the option to cancel it.
2. Locate the Order: Find the specific order you want to cancel in your order history or account settings. Most platforms have a dedicated section for managing orders.
3. Click on "Cancel" or "Request Cancellation": Once you locate the pending order, click on the "Cancel" or "Request Cancellation" button. Some platforms may require you to provide a reason for cancellation.
4. Contact Customer Support: If you don't see an option to cancel the order online, or if the order has already been processed, shipped, or is otherwise ineligible for online cancellation, contact customer support immediately. You can usually find the customer support contact information on the platform's website or in the order confirmation email.
5. Explain the Situation: When contacting customer support, provide them with your order details and explain the reason for the cancellation. They will guide you through the cancellation process or inform you if the cancellation is not possible due to the order's status.
6. Check Refund Policy: If you successfully cancel the order, check the platform's refund policy to understand how and when you will receive a refund. Refunds may take some time to process, depending on the payment method used.
7. Monitor Your Account: Keep an eye on your account or email for any updates regarding the cancellation and refund status.

hi there.
this is all i could find out.
How do I cancel an order on Amazon? To cancel an item or an entire order:

1. Go to Your Orders. AmazonFresh and Digital orders appear separate. ...
2. Click Cancel Items. ...
3. Select the check box next to each item you wish to remove from the order. ...
4. Click Cancel checked items when finished.

Amazon.com Help: Cancel Items or Orders

https://www.amazon.com/gp/help/customer/display.html?nodeId=595034 Search for: How do I cancel an order on Amazon?
To cancel an accidental Amazon Video order:

1. Go to Your Digital Orders.
2. Find the accidental order you'd like to cancel.
3. Select Cancel Items.
4. Choose a reason for the cancellation from the drop-down menu, and then click Cancel This Purchase.

Amazon.co.uk Help: Cancel an Accidental Amazon Video Order

https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=201612980
if you need to read up more go to this link.
How do cancel digital orders on Amazon Google Search

Only the person that placed the order can cancel it. Fixya or anyone else cannot cancel someone else's order.

Most online stores have a place to check recent orders and past transactions. If, when you find your recent order, you can't find a button that lets you cancel the order, a quick call to their customer service department (which should be listed on their contact page), will let you cancel the order.

If you have already placed the order and wish to cancel it, all you have to do is call first the online store and request them to cancel your order. I understand some online stores do only have a limited time to cancel an online order.

You need to log in to your account if you want to cancel the order. After logging in, click "Your Account" then click Cancel Items. If you want to cancel the whole order click all the items then click "Cancel checked items".

Cancel Items from an Order You can cancel or amend any order placed with Amazon.co.uk, provided that the order has not yet entered the dispatch process.
Visit the "View Recent and Open Orders" button in Your Account. If we can recognise you as a customer with any unshipped orders, you will see a box to the right. Click the relevant link in that box to visit the order summary page. (If you do not see that box, click here to sign in to "Your Account", and select the order you wish to alter). >
You should then Click the "Cancel items or orders" link and sign in with your e-mail address and password. If the order you want to cancel is listed as "Items Not Yet Dispatched", you can cancel it straight away. If it's listed as "Items Dispatching Soon" or "Items Dispatched", you will need to wait until the order is delivered to you before you can cancel the order. Please read the Your Statutory Rights help page to find out more.
If it's listed as "Items Not Yet Dispatched", click the "View or Change Order" button next to the order you want to cancel. On the next page, click the "Need to Cancel an Item?" button. Select the tick box to the right of the order and click the "Cancel Selected Items" (or "Update Order") button. You will also be required to select a reason for cancelling the item from the drop-down menu that appears. You'll receive an e-mail confirmation from us shortly afterwards.