--- title: Opening a file in the Approval tool gives an error description: Most likely (one of) the file revision(s) is corrupt and needs to be deleted. --- [Skip to content](https://support.syncforce.com/knowledge/opening-a-file-in-the-approval-tool-gives-an-error#main-content) [![Syncforce\_logo\_tagline](https://support.syncforce.com/hs-fs/hubfs/Syncforce_logo_tagline.webp?width=480&height=72&name=Syncforce_logo_tagline.webp)](https://www.syncforce.com/) Open main navigation Close main navigation Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Home](https://support.syncforce.com/knowledge?hsLang=en) 2. [Project Portfolio Management](https://support.syncforce.com/knowledge/project-portfolio-management?hsLang=en) 3. [Proofing & Approval](https://support.syncforce.com/knowledge/project-portfolio-management?hsLang=en#proofing-approval) # Opening a file in the Approval tool gives an error ## Most likely (one of) the file revision(s) is corrupt and needs to be deleted. Files in the Approval tool can give the following message: ![](https://support.syncforce.com/hs-fs/hubfs/image-png-Oct-16-2026-01-30-14-0351-PM.png?width=1006&height=666&name=image-png-Oct-16-2026-01-30-14-0351-PM.png) The main reason for this error is that **this file revision or any of the previous file revisions** is corrupt. ### How to find out if the file is corrupt? - Download all file revisions of this file via the 'Download' icon. - Open the files in **Adobe Acrobat Reader** or **Foxit PDF Reader**. - You will be notified on opening the file about the file being corrupt. In Foxit PDF Reader this looks like this: ![](https://support.syncforce.com/hs-fs/hubfs/image-png-Oct-16-2026-01-33-39-3631-PM.png?width=746&height=208&name=image-png-Oct-16-2026-01-33-39-3631-PM.png) ### How to solve this? Delete the corrupt file revision if possible from SyncForce. If this is not possible (approval was already started), submit a request to your SyncForce Implementation Partner to get this file deleted. Indicate which file revision is the issue. ### Upload a new file revision When the corrupt file revision is deleted, make sure to get a correct file and upload this as new file revision. Validate by clicking on the 'eye' icon if the file will open in the Approval tool. 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