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When uploading a logo in QuickBooks, there are a factors that we'll want to consider such as the file type, size, bit depth, color space, and shape. You can refer to this article for more information: How to Add, Customize, and Troubleshoot Logo on Sales Forms.
You can try changing the file type of your logo, and upload it again. I'd also recommend reaching out to your IT personnel or the one who creates the logo. They know how to manipulate it.
I'll be right here if you need more assistance with this.