--- type: help-hub title: "File Formats" description: "File format help: multi-image PDFs, uploading large files, multiple file sets per order and editing PDFs from past orders." resource: https://www.4over4.com/help/file-formats tags: ["help-hub"] generated: by: "process:4over4-mapp-build" at: 2026-10-20T21:15:07.599Z timestamp: 2026-10-20T21:15:07.599Z sources: - resource: https://www.4over4.com/help/file-formats title: "File Formats" status: stable --- # File Formats File format help: multi-image PDFs, uploading large files, multiple file sets per order and editing PDFs from past orders. 56 answers about file formats. - [Can I upload multiple images in one PDF file for a single order?](https://www.4over4.com/help/file-formats/can-i-upload-multiple-images-in-one-pdf-file-for-a-single-order) - [How do I modify or edit a PDF file that 4OVER4 provided from my previous order?](https://www.4over4.com/help/file-formats/how-do-i-modify-or-edit-a-pdf-file-that-4over4-provided-from-my-previous-order) - [What should I do if my file upload is incomplete or missing files?](https://www.4over4.com/help/file-formats/what-should-i-do-if-my-file-upload-is-incomplete-or-missing-files) - [How do I upload a vector file for a custom die-cut project?](https://www.4over4.com/help/file-formats/how-do-i-upload-a-vector-file-for-a-custom-die-cut-project) - [Can I upload additional files or make corrections during the order process?](https://www.4over4.com/help/file-formats/can-i-upload-additional-files-or-make-corrections-during-the-order-process) - [How do I upload files for personalized or custom products like badges?](https://www.4over4.com/help/file-formats/how-do-i-upload-files-for-personalized-or-custom-products-like-badges) - [How do I correct a file upload or printing specification after the initial order?](https://www.4over4.com/help/file-formats/how-do-i-correct-a-file-upload-or-printing-specification-after-the-initial-order) - [Can I upload PNG files instead of PDFs for my print job?](https://www.4over4.com/help/file-formats/can-i-upload-png-files-instead-of-pdfs-for-my-print-job) - [Can I upload files larger than the email size limit?](https://www.4over4.com/help/file-formats/can-i-upload-files-larger-than-the-email-size-limit) - [What should I do if my file doesn't look right when I upload it?](https://www.4over4.com/help/file-formats/what-should-i-do-if-my-file-doesn-t-look-right-when-i-upload-it) - [Will my file be shrunk or resized when I upload it for printing?](https://www.4over4.com/help/file-formats/will-my-file-be-shrunk-or-resized-when-i-upload-it-for-printing) - [Can I upload multiple art files at the same time when placing an order?](https://www.4over4.com/help/file-formats/can-i-upload-multiple-art-files-at-the-same-time-when-placing-an-order) - [How do I upload files for large quantity orders?](https://www.4over4.com/help/file-formats/how-do-i-upload-files-for-large-quantity-orders) - [Can I upload a multi-page PDF for products like event badges?](https://www.4over4.com/help/file-formats/can-i-upload-a-multi-page-pdf-for-products-like-event-badges) - [What should I do if I get a 404 error when trying to upload files?](https://www.4over4.com/help/file-formats/what-should-i-do-if-i-get-a-404-error-when-trying-to-upload-files) - [Can I upload the same file for both front and back of my cards?](https://www.4over4.com/help/file-formats/can-i-upload-the-same-file-for-both-front-and-back-of-my-cards) - [What should I do if I can't upload a new file to replace my rejected proof?](https://www.4over4.com/help/file-formats/what-should-i-do-if-i-can-t-upload-a-new-file-to-replace-my-rejected-proof) - [After I reject proofs and upload a corrected file, how do I know if it replaced the original file?](https://www.4over4.com/help/file-formats/after-i-reject-proofs-and-upload-a-corrected-file-how-do-i-know-if-it-replaced-t) - [What should my PDF file include when submitting for proof review?](https://www.4over4.com/help/file-formats/what-should-my-pdf-file-include-when-submitting-for-proof-review) - [My online proof doesn't match the file I uploaded. What should I do?](https://www.4over4.com/help/file-formats/my-online-proof-doesn-t-match-the-file-i-uploaded-what-should-i-do) - [I rejected my proof and uploaded a corrected file, but the system hasn't updated to my new version. What should I do?](https://www.4over4.com/help/file-formats/i-rejected-my-proof-and-uploaded-a-corrected-file-but-the-system-hasn-t-updated-) - [Can I get a proof as a PDF file instead of reviewing it online?](https://www.4over4.com/help/file-formats/can-i-get-a-proof-as-a-pdf-file-instead-of-reviewing-it-online) - [What should I do if I uploaded the wrong file or selected the wrong specifications?](https://www.4over4.com/help/file-formats/what-should-i-do-if-i-uploaded-the-wrong-file-to-my-proof) - [Can I make changes to my file before I accept the digital proof?](https://www.4over4.com/help/file-formats/can-i-make-changes-to-my-file-before-i-accept-the-digital-proof) ## Didn't find your answer? Our team replies within 24 hours. 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