Task: Working with Excel spreadsheet files (xls & xlsx)

n8n workflow:
{"meta":{"instanceId":"8c8c5237b8e37b006a7adce87f4369350c58e41f3ca9de16196d3197f69eabcd"},"nodes":[{"id":"05bd643c-6dd0-4f36-a586-3a06cc26893c","name":"Note","type":"n8n-nodes-base.stickyNote","position":[200,780],"parameters":{"width":476.4578377639565,"height":299.6468819708682,"content":"## Working with Excel files\n1. Load the spreadsheet file into the workflow (.xls, .xlsx, .csv).\n2. Convert the file with **Spreadsheet File** node. This allows other nodes to access the data.\n3. Transform and manipulate the spreadsheet data as needed\n4. [Optional] Convert back to a spreadsheet file\n5. [Optional] Save file locally or upload to a server\n\n\n\nℹ️ This template shows how to work with spreadsheet files themselves. Use the **Microsoft Excel 365** node to interact with the Microsoft Office 365 cloud platform. "},"typeVersion":1},{"id":"84db705b-b45f-447f-b3e6-ac9650816e3b","name":"Note1","type":"n8n-nodes-base.stickyNote","position":[840,800],"parameters":{"width":261.5285597588645,"height":244.71805702217537,"content":"### 1A. From a public URL"},"typeVersion":1},{"id":"92b8375b-92a3-41ca-874e-d9c4567e21d4","name":"Read Binary File","type":"n8n-nodes-base.readBinaryFile","notes":"Fetches a local file","disabled":true,"position":[920,1140],"parameters":{"filePath":"/files/customer-datastore.xlsx"},"notesInFlow":true,"typeVersion":1},{"id":"e595db63-8556-4e5e-89df-9895691ed4bb","name":"Note7","type":"n8n-nodes-base.stickyNote","position":[840,680],"parameters":{"width":332.13093980992585,"height":80,"content":"## 1. Load file into workflow"},"typeVersion":1},{"id":"66ae38b6-01e6-486b-aae1-d696d22fb2cf","name":"Note8","type":"n8n-nodes-base.stickyNote","position":[840,1380],"parameters":{"width":263.20908130939836,"height":475.9602777402797,"content":"### 1C. From a cloud platform"},"typeVersion":1},{"id":"c2e2cc7e-01a2-4138-ba6f-344be3dd91f3","name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[500,1140],"parameters":{},"typeVersion":1},{"id":"050bdd2e-6fe5-4145-8a0b-c1b4b8870c53","name":"Note2","type":"n8n-nodes-base.stickyNote","disabled":true,"position":[2060,680],"parameters":{"width":326.8935002375224,"height":302.0190073917633,"content":"## 4. [Optional] Convert node data back to .xls file"},"typeVersion":1},{"id":"3822a521-c1f4-40a9-bbb6-540a2bb4651b","name":"Note4","type":"n8n-nodes-base.stickyNote","disabled":true,"position":[1640,680],"parameters":{"width":359.63512407276517,"height":304.93769799366413,"content":"## 3. Manipulate or transform your spreadsheet data \n\n\n\n\n\n"},"typeVersion":1},{"id":"a90ef806-62a7-492d-b493-337d796c677a","name":"Note5","type":"n8n-nodes-base.stickyNote","position":[2460,1080],"parameters":{"width":253.5004831258875,"height":243.48423158332457,"content":"### 4B. To a webserver via (S)FTP"},"typeVersion":1},{"id":"a5419c12-4be4-4fdf-8b9f-f6c73104477a","name":"Write Binary File","type":"n8n-nodes-base.writeBinaryFile","position":[2520,860],"parameters":{"options":{},"fileName":"=/tmp/{{$binary.data.fileName}}"},"typeVersion":1},{"id":"3d3474ee-298f-48ee-b7b4-2dd64729c747","name":"Note6","type":"n8n-nodes-base.stickyNote","disabled":true,"position":[1280,680],"parameters":{"width":279.5841955487948,"height":309.4318901795142,"content":"## 2. Convert the file into JSON format\nJSON data can be used by nodes\n\n\n\n\n\n"},"typeVersion":1},{"id":"93cd3132-460b-4a67-b627-b417bbd74012","name":"Note9","type":"n8n-nodes-base.stickyNote","disabled":true,"position":[2460,680],"parameters":{"width":332.13093980992585,"height":86.72208620213638,"content":"## 5. Save or upload new file\n### [Optional]"},"typeVersion":1},{"id":"4ca7e58c-2d8f-463f-86f9-f87f47a7364b","name":"Note10","type":"n8n-nodes-base.stickyNote","position":[2460,800],"parameters":{"width":253.5004831258875,"height":245.22344655940856,"content":"### 4A. To a local filesystem"},"typeVersion":1},{"id":"db8f95b3-db71-4111-b5a4-a53cdfeea896","name":"Note11","type":"n8n-nodes-base.stickyNote","disabled":true,"position":[2460,1380],"parameters":{"width":253.5004831258875,"height":480.2511652360096,"content":"### 4C. To a cloud service"},"typeVersion":1},{"id":"ae1a1cdf-4670-41da-8bc5-aa6817ce08bc","name":"Note3","type":"n8n-nodes-base.stickyNote","position":[840,1080],"parameters":{"width":263.20908130939836,"height":244.71805702217537,"content":"### 1B. From the local filesystem"},"typeVersion":1},{"id":"529b03fb-b81d-40f3-bade-684cc9776cba","name":"Download from Google Drive","type":"n8n-nodes-base.googleDrive","disabled":true,"position":[920,1440],"parameters":{"fileId":{"__rl":true,"mode":"list","value":"1ffuj8v-s0h8LeEmrA2hBk-b7qKF_c9uT","cachedResultUrl":"https://docs.google.com/spreadsheets/d/1ffuj8v-s0h8LeEmrA2hBk-b7qKF_c9uT/edit?usp=drivesdk&ouid=112909978107527312058&rtpof=true&sd=true","cachedResultName":"customer-datastore.xlsx"},"options":{},"operation":"download"},"credentials":{"googleDriveOAuth2Api":{"id":"148","name":"FPS"}},"typeVersion":2},{"id":"b63c9748-0c7d-4d2a-aa5b-db76d31af957","name":"Download from Microsoft OneDrive","type":"n8n-nodes-base.microsoftOneDrive","disabled":true,"position":[920,1640],"parameters":{"fileId":"549D14658E697C62!2087","operation":"download"},"credentials":{"microsoftOneDriveOAuth2Api":{"id":"88","name":"Microsoft Drive account"}},"typeVersion":1},{"id":"6333d0b5-d58b-4a19-af9a-0e5ea4fa15e8","name":"Download Excel File","type":"n8n-nodes-base.httpRequest","notes":"Fetches file from server","position":[920,860],"parameters":{"url":"https://internal.users.n8n.cloud/webhook/709a234d-add7-41d2-9326-8d981f58120b","options":{}},"notesInFlow":true,"typeVersion":3},{"id":"88b24dbb-dc9f-4f03-a5b3-71ba89295346","name":"Work out Age","type":"n8n-nodes-base.set","position":[1760,820],"parameters":{"values":{"string":[{"name":"age","value":"={{ Math.trunc($today.diff(DateTime.fromFormat($json[\"created\"], 'yyyy-MM-dd'), 'years').toObject().years) }}"}]},"options":{}},"typeVersion":1},{"id":"2f1f2fa9-4995-46c9-a415-3768a0895e88","name":"Upload to SFTP","type":"n8n-nodes-base.ftp","disabled":true,"position":[2520,1140],"parameters":{"path":"=/home/n8n/{{$binary.data.fileName}}","protocol":"sftp","operation":"upload"},"credentials":{"sftp":{"id":"8","name":"SFTP"}},"typeVersion":1},{"id":"81c06f12-83f1-4973-a1ec-6d58e26eb8c9","name":"Upload to Google Drive","type":"n8n-nodes-base.googleDrive","disabled":true,"position":[2520,1440],"parameters":{"name":"={{$binary.data.fileName}}","options":{},"binaryData":true},"credentials":{"googleDriveOAuth2Api":{"id":"148","name":"FPS"}},"typeVersion":2},{"id":"a0ef4740-8716-4fab-8498-c13ee32842cb","name":"Upload to Microsoft OneDrive","type":"n8n-nodes-base.microsoftOneDrive","disabled":true,"position":[2520,1640],"parameters":{"fileName":"={{$binary.data.fileName}}","parentId":"root","binaryData":true},"credentials":{"microsoftOneDriveOAuth2Api":{"id":"88","name":"Microsoft Drive account"}},"typeVersion":1},{"id":"01e6575d-bb92-4f32-82b4-acfe7448a364","name":"Read Spreadsheet File","type":"n8n-nodes-base.spreadsheetFile","position":[1360,820],"parameters":{"options":{}},"typeVersion":1},{"id":"ed09f502-109f-42dc-a62c-6b6f54aad46e","name":"Write Spreadsheet File","type":"n8n-nodes-base.spreadsheetFile","position":[2160,820],"parameters":{"options":{"fileName":"=customer-datastore_{{$today.toFormat('yyyyMMdd')}}.xlsx"},"operation":"toFile","fileFormat":"xlsx"},"typeVersion":1}],"connections":{"Work out Age":{"main":[[{"node":"Write Spreadsheet File","type":"main","index":0}]]},"Read Binary File":{"main":[[{"node":"Read Spreadsheet File","type":"main","index":0}]]},"Download Excel File":{"main":[[{"node":"Read Spreadsheet File","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Read Binary File","type":"main","index":0},{"node":"Download Excel File","type":"main","index":0},{"node":"Download from Google Drive","type":"main","index":0},{"node":"Download from Microsoft OneDrive","type":"main","index":0}]]},"Read Spreadsheet File":{"main":[[{"node":"Work out Age","type":"main","index":0}]]},"Write Spreadsheet File":{"main":[[{"node":"Upload to SFTP","type":"main","index":0},{"node":"Upload to Google Drive","type":"main","index":0},{"node":"Write Binary File","type":"main","index":0},{"node":"Upload to Microsoft OneDrive","type":"main","index":0}]]},"Download from Google Drive":{"main":[[{"node":"Read Spreadsheet File","type":"main","index":0}]]},"Download from Microsoft OneDrive":{"main":[[{"node":"Read Spreadsheet File","type":"main","index":0}]]}}}