HowTo:  Batch export attachments from a feature class

import arcpy

from arcpy import da

import os



inTable = arcpy.GetParameterAsText(0)

fileLocation = arcpy.GetParameterAsText(1)



with da.SearchCursor(inTable, ['DATA', 'ATT_NAME', 'ATTACHMENTID']) as cursor:

    for item in cursor:

        attachment = item[0]

        filenum = "ATT" + str(item[2]) + "_"

        filename = filenum + str(item[1])

        open(fileLocation + os.sep + filename, 'wb').write(attachment.tobytes())

        del item

        del filenum

        del filename

        del attachment

1. Open ArcCatalog and create a new toolbox.
2. Right-click the toolbox and select Add > Script.
3. Give the script a name and a label. Check the box next to Store relative path names, and click Next.
4. For the script file, navigate to where the ExportAttachments.py script is saved. Select the script, click OK and click Next.
5. Under Parameters, type 'Attachments Table' under Display Name and set its data type as Table. Add a second parameter and type 'Output Location' under display name and select Folder for its data type.
6. Click Finish.
7. A new script tool should now be added to the toolbox.
8. Double-click the script tool. In the dialog, choose the attachments table that contains the attachments to be extracted for the first parameter. Choose a folder to save the exported attachments to under OutputLocation. Click OK to run the tool.