How Table column resize works in CRM
Click personalize button in table toolbar:
PD94bWwgdmVyc2lvbj0nMS4wJz8+PENoYW5nZVRyYW5zYWN0aW9uIHhtbG5zOmJhc2U9J2h0dHA6Ly93d3cuc2FwLmNvbS9hMXMvY2Qvb2Jlcm9uL2Jhc2UtMS4wJyAgeG1sbnM6dXhjPSdodHRwOi8vd3d3LnNhcC5jb20vYTFzL2NkL29iZXJvbi91eGNvbnRyb2xsZXItMS4wJyB4bWxuczp1eHY9J2h0dHA6Ly93d3cuc2FwLmNvbS9hMXMvY2Qvb2Jlcm9uL3V4dmlldy0xLjAnIHhtbG5zPSdodHRwOi8vd3d3LnNhcC5jb20vYTFzL2NkL29iZXJvbi91aW1vZGVsY2hhbmdlLTEuMCcgaWQ9J2NiNDc3MWY4NjFiNjU5ODAyMDQ1OTc1YjI5YzFiNjZkJyB4cmVwUGF0aD0nL1NBUF9CWURfVUlfRkxFWC9DSEFOR0VfVFJBTlNBQ1RJT05TL0VuZFVzZXIvQ2hhbmdlQ29sdW1uV2lkdGgvY2I0NzcxZjg2MWI2NTk4MDIwNDU5NzViMjljMWI2NmQudWljaGFuZ2UnIHR5cGU9J0NoYW5nZUNvbHVtbldpZHRoJyB1c2VyPSdLOTEyM1oyQTBBVicgY2xpZW50VHlwZT0naHRtbDUnIHVzZXJUeXBlPSdFbmRVc2VyJyBlbWJlZGRpbmdDb250ZXh0PScnPjxVc2VkQW5jaG9yIHR5cGU9J0xpc3RBbmNob3InIHhyZXBQYXRoPScvU0FQX0JZRF9VSV9GTEVYL1NUQUJMRV9BTkNIT1JTLzQ3ZTI0NzViOGMxYTRjOGViYjEwM2Q2NjIxMmE0ZWVhLnVpYW5jaG9yJz48VGFyZ2V0RmlsZSB4cmVwUGF0aD0nL1NBUF9CWURfQVBQTElDQVRJT05fVUkvQkNUb29scy9Xb3JrQ2VudHJlL092ZXJ2aWV3X09XTC5PV0wudWljb21wb25lbnQnLz48Q2hhbmdlQ29sdW1uV2lkdGggbmV3TGVuZ3RoPSIyNjdweCIgY29sdW1uTW9kZWxJZD0idzRIRlgwNWZrYWdpMVN3cTN0ZG1UVyIvPjwvVXNlZEFuY2hvcj48L0NoYW5nZVRyYW5zYWN0aW9uPg==
You can paste the encoded string into website https://www.base64decode.org/
and get decoded string there: