Excel 365
How to generate series of dates
Often you'll want to insert a series of dates into a worksheet. The most efficient way to enter a series of
dates doesn't require any formulas - just use Excel's AutoFill feature.
Splitting text strings without using formulas
If you want to paste text in your worksheet, you can use Excel's Convert Text to Columns Wizard.
Using Solver
Solver tool allows you to specify multiple adjustable cells and constraints on the values that the
adjustable cells can have, generate a solution that maximizes or minimizes a particular worksheet cell,
generate multiple solutions to a problem.
Goal Seeking
Goal seeking is a useful feature that works in conjunction with your formulas. If you know what a formula
result should be, Excel can tell you which values of one or more input cells you need to produce that
result.
Calculating the difference between two time stamps
Because timestamps are represented as serial numbers, you can subtract the earlier time from the later time
to get the difference.
Calculating the number of work days between two dates
When calculating the difference between two dates, you may want to exclude weekends and holidays.
Custom cell format
Excel includes a variety of built-in formats that cover general, numeric, currency, percentage, exponential,
date, time, and custom numeric formats. You can also design your own custom formats based on one of the
built-in formats.
Check data entry for invalid entries
You can greatly reduce data-entry problems in your workbooks by making Excel check entries before entering
them in specific cells. To do so, you need to define restrictions and data-validation rules for those cells.
Increase the number of Undo levels in Excel
By default, the number of Undo levels in Excel for Microsoft 365 is 100. You can increase or decrease
this number if it's necessary.
Creating Subtotals
Excel's ability to create automatic subtotals is a handy feature that can save you a great deal of time.