The time needed to implement robotic process automation (RPA) software is affected by the overall number of tasks, the number of those to be automated, production goals, the importance of automating the process, etc. Simple systems can be augmented with RPA tools in as little as two weeks, while more complex workflows may take two or three months.
How long does it take to fully implement a robotic system?
Further Reading

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The ultimate RPA software buyer’s guide

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How can you organize your RPA proof of concept?

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What is a workflow bottleneck?