That click automatically enters the Datemodified: operator in the search box. Click in the search box to make the Search Tools tab available on the ribbon, then click the Date modified button and choose one of the available options. If that seems like too much typing, you can build your own date-based search query by pointing and clicking. If the term consists of two words, include the space between them. A relative term from the following list: this year, last year, this month, last month, this week, last week, today, yesterday.To search a range dates, separate the beginning and ending dates with two periods, such as July 2017. Months can be spelled out or abbreviated. A range of dates, using standard date formats separated by two periods, such as 2/1/2018.If you omit a year, the date defaults to this year. A single date in any standard date format, such as 01-30-2017, feb 7, or 15-apr.Then click in the search box and then type the datemodified: operator (with or without a space after the colon) followed by a date or date range in any of the following formats: Start by choosing the folder, drive, or library whose contents you want to search. The key to mastering this technique is the datemodified: operator, which you use in the search box in the upper right corner of the File Explorer window.