# CCH Axcess

- [How do I download and upload DAT files in bulk for CCH Axcess?](https://help.filed.com/filed-help-center/integrations/cch-axcess/how-do-i-download-and-upload-dat-files-in-bulk-for-cch-axcess.md): Complete guide to exporting, uploading, downloading, and managing .DAT backup files in bulk between CCH Axcess and Filed.
- [Should I upload K-1s to Filed if they are already imported directly in CCH Axcess?](https://help.filed.com/filed-help-center/integrations/cch-axcess/should-i-upload-k-1s-to-filed-if-they-are-already-imported-directly-in-cch-axcess.md): Guidance on whether to upload K-1s to Filed when they have already been imported directly into CCH Axcess, and how to handle checklist flags for missing K-1s.
- [CCH Axcess without an API kit tax prep workflow](https://help.filed.com/filed-help-center/integrations/cch-axcess/cch-axcess-without-an-api-kit-tax-prep-workflow.md): Step-by-step tax prep workflow for using Filed with CCH Axcess Tax when no API Kit is available, including exporting, uploading, and importing backup files.
- [CCH Axcess return not populating](https://help.filed.com/filed-help-center/integrations/cch-axcess/cch-axcess-return-not-populating.md): Steps to resolve CCH Axcess tax returns that aren't displaying data after import, including recalculation and Batch Manager verification.
- [How to confirm business units and office in CCH Axcess Tax](https://help.filed.com/filed-help-center/integrations/cch-axcess/how-to-confirm-business-units-and-office-in-cch-axcess-tax.md): How to look up and confirm your Business Unit and Office names in CCH Axcess Tax so you can complete the Filed integration setup.
- [CCH Axcess Tax troubleshooting](https://help.filed.com/filed-help-center/integrations/cch-axcess/cch-axcess-tax-troubleshooting.md): Troubleshooting guide for firms using CCH Axcess Tax with Tax API Kit, covering empty worksheets, missing clients, sync errors, and diagnostic 49842.
- [Diagnostic 49842 — The amount of withholding must equal the amount of withholding reported on Form S](https://help.filed.com/filed-help-center/integrations/cch-axcess/diagnostic-49842-the-amount-of-withholding-must-equal-the-amount-of-withholding-reported-on-form-s.md): How to resolve CCH Axcess diagnostic error 49842, which requires the withholding amount to match what is reported on W-2s, K-1s, 1099s, W-2Gs, and Form 8959.


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