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Invoice processing, incoming mail, notes of delivery, forms. Always the best solution for your processes. Scanned document to content (optical character recognition). It's a commonly offered process today.
There are a lot of character recognition and so calles standard solutinos avaliable for those processes. Using an out of the box solution seems quick and offers acceptable results at first glance. However, soon you will want to optimize and adapt your existing solution. This needs sound knowledge of the product and general experience. Therefore use the years long (since 1984) experience of the founder of Data Content in the environment of optical character recognition and document mangenent.