You can set your documents to begin from a starting reference number and automatically generate reference numbers when you create new documents.
Step 1: When editing a document, click the gear icon
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Step 2: Select for the numbers to Automatically or Manually Generate
Option 1 - Auto-Generate numbers
You can choose to set your documents to 'Auto-generate', then enter the number you want documents to begin from.
Option 2 - Set Manually each time
You can select 'I will add them manually each time'
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Watch how it works:
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