The following TurboTax support FAQ is for changing to Itemized from Standard, but it can also be used for changing from Itemized to Standard - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-credits-deductions/change-standard-d...
Note - If the total of your itemized deductions are less than the Standard Deduction for your filing status the Standard Deduction will be used.
Standard deductions for 2024
Single - $14,600 add $1,850 if age 65 or older
Married Filing Separately - $14,600 add $1,550 if age 65 or older
Married Filing Jointly - $29,200 add $1,550 for each spouse age 65 or older
Head of Household - $21,900 add $1,950 if age 65 or older
