--- title: Generating a HAR file for Troubleshooting description: The instructions are the same for a MAC computer or a Windows computer.  The instructions are the same for a MAC computer or a Windows computer. 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[Knowledge Base](https://gohub.casebook.net/knowledge) 2. [Customer Support](https://gohub.casebook.net/knowledge/customer-support) 3. [Getting Unstuck](https://gohub.casebook.net/knowledge/customer-support#getting-unstuck) # Generating a HAR file for Troubleshooting ### When troubleshooting complex issues, it is sometimes necessary for our customer support team to obtain additional information about the network requests that are generated in your browser while an issue occurs. A customer support team member may request that you record a HAR file, or a log of network requests, while that issue is occurring and then provide that to them for further analysis. #### To generate the HAR file for Chrome 1. Open Google Chrome and go to the page where the issue is occurring. 2. Look for the Vertical ellipsis button and select **More Tools \> Developer Tools.** 3. From the panel opened, select the **Network** tab. 4. Look for a round Record button in the upper left corner of the tab, and make sure it is red. If it is grey, click it once to start recording. 5. Check the box **Preserve log.** 6. Click the Clear button to clear out any existing logs from the Network tab. 7. Reproduce the issue that you were experiencing before, while the network requests are being recorded. 8. Once you have reproduced the issue, in Chrome, click **Export HAR** to download. Then save the file to your computer: **Save as HAR with Content.** 9. Upload your HAR file to your ticket or attach it to your email so that our Support team can analyze it. The instructions are the same for a MAC computer or a Windows computer.  #### To generate the HAR file for Firefox 1. Open Firefox and go to the page where you are experiencing trouble. 2. Select the Firefox menu (three horizontal parallel lines) at the top-right of your browser window, then select **Web Developer** \> **Network**. 3. The Developer Network Tools opens as a docked panel at the side or bottom of Firefox. Click the **Network** tab. 4. The recording autostarts when you start performing actions in the browser. 5. Once you have reproduced the issue and you see that all of the actions have been generated in the Developer Network Panel (should just take a few seconds), right-click anywhere under the **File** column and click on **Save all as Har**. 6. Save the HAR file somewhere convenient. 7. Upload your HAR file to your ticket or attach it to your email so that we may analyze it. The instructions are the same for a MAC computer or a Windows computer. #### To generate the HAR file for Safari Before generating the HAR file, make sure you can see the **Develop** menu in Safari. If it is not there, follow the instructions under [Use the developer tools in the Develop menu in Safari on Mac](https://support.apple.com/en-ie/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac). 1. Open the **Develop** menu and select **Show Web Inspector**. 2. Click the **Network** tab and complete the activity that is causing issues. 3. Click the **Export** icon on the far right of the network tab and save the HAR file. 4. Send us the file via your support ticket. #### To generate the HAR file for Edge Edge natively produces HAR files. For more instructions, see the instructions from the [Microsoft website](https://docs.microsoft.com/en-us/microsoft-edge/devtools-guide/network).  1. Open the **Network** tool in F12 developer tools. 2. Reproduce the issue. 3. 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