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Set Reminders in Google Sheets [Easiest Way in 2024]

May 8, 2024

There is no native reminder function in Google Sheets. However you can easily import your Google Sheet into a Lido spreadsheet and you can set up reminders emails in just a few clicks.  

How to Set Reminder emails in Google Sheets Using Lido

1. Prepare and Copy Link to Google Sheets

Make sure your Google Sheet is formatted like our sample sheet here:

  • The data should be in a contiguous table, with no empty rows or columns.
  • Column headers (Name, Email Address, etc.) should be in the first row and contain no special characters or line breaks.

google sheets reminder

Copy the URL for your Google Sheet. We'll need this to connect your spreadsheet to Lido.

2. Connect Google Sheet to Lido

  1. If you don't have a Lido account, you'll need to create one for free at:
  2. Lido offers premium spreadsheet formulas that are not supported in Google Sheets, like SENDGMAIL(), which we'll use to send out our emails.
  3. Create a new file, then click on the green Connect Data button.
  1. Select Google Sheets from the list of integrations
  2. Paste your Google Sheet URL into the text box
  1. You will be asked to login to a Google Account that has access to the Google Sheet the first time you connect. Make sure to check this box to give Lido permission to access your Google Sheets.
add reminder google sheets

  1. Select the columns that you want to add to connect to Lido. Then click Add Data.



Renaming columns can break your reminders.

If you rename or delete these columns, the connection to Lido will break. If this happens, click on "Edit Data" to reselect the correct fields.


3. Add Column to Calculate When to Send Reminder

Reminders are supposed to be sent ahead of the deadline. For our example, we will send reminders two days before the deadline.

  1. We'll use a formula to calculate the reminder date: =deadline_date - 2
  2. Where deadline_date is the cell that contains our deadline. In our example, our deadlines are stored in column C. So the deadline of the first listed entry is in C2.
  3. In our example the formula is:


  1. Hit enter to create a computed column.



Computed columns

These are a special column type in Lido that will automatically apply the same formula to every row in the column. They are particularly useful if you add more records to your Google Sheet, since the formulas will be applied to all new rows automatically.


  1. We can name this column Send Date

4. Add the Subject and Body of the Reminder Email

We are now ready to add the subject and body of the reminder email. 

Create email templates

  1. We will create templates using our table column names as variables by referring to them with [@Column] syntax
  2. Set up templates for email subject and body in a new worksheet like this:

Create Subject and Body referencing the templates

Now we need to combine these templates with our table in order to make the content dynamic. We'll do that by creating two new computed columns for both Subject and Body. We will use a formula called STRINGTEMPLATE() inside of a computed column to do this.

  1. First, make a new computed column and name it Subject.
  1. Add this formula to row 2 in the Subject column:




Remember to anchor your STRINGTEMPLATE formula

In our example, Sheet1!$B$1 is the location of our subject email template. Make sure you replace this with your own cell location if it is different, otherwise the formula will not work. Anchor the cell reference with $, as all rows will use the same template cell.


  1. You should now have a subject column that looks like this. Notice how the payment deadline is dynamic based on the contents of column C.
  1. Repeat the same process for body. First, make another computed column.
  1. Then apply the formula below. Remember to change the cell references to match your sheet, and also anchor the template_cell with $


Your sheet should now look like this: 

5. Make a new column for the SENDGMAIL() formula

Unlike Google Sheets, Lido's spreadsheet has a special type of formula called Action formulas. SENDGMAIL() is an Action formula.



What are Action formulas?

Action formulas can send data externally but need to be triggered to run. Unlike normal spreadsheet formulas, Action formulas don't recalculate automatically when you type them. SENDGMAIL(), which lets you send an email directly from your spreadsheet, is an action formula.


SENDGMAIL works as follows:

=SENDGMAIL(sender, recipient, subject, body, [status_cell], [cc], [bcc], [attachments])


sender-credential - a credential you create for (This should be associated with a Gmail or Google Apps account)

recipient - the email of the user that will receive the reminder

subject - the email subject

body - the email body

In our example, the core SENDGMAIL formula looks like:

```=SENDGMAIL(<sender-credential>, B2, E2, F2)```

Add your SENDGMAIL credential

You'll need to add a SENDGMAIL credential to connect your Gmail account to Lido. To do this, start typing =SENDGMAIL(

When you're in the first argument, click on the "+Add credential" to add a sender credential to your Gmail (or Google Apps) account.

Add your logic of when you want the email to be sent

If we want to have SENDGMAIL display only when today's date is the reminder send date, then we want to add an IF statement:

=IF(TODAY() = reminder_send_date, SENDGMAIL(sender-credential, recipient, subject, body))

The formula works as follows:

If today's date is equal to the reminder_send_date, then display the SENDGMAIL formula, otherwise display FALSE.

Created a new Computed Column

Let's create a new computed column, and enter our formula below in row 2 (adjust the formula for your data). We can double click on the header cell, and rename the column to Send Reminder.

```=IF(TODAY() = D2, SENDGMAIL(<sender-credential>, B2, E2, F2))```

As you can see, the SENDGMAIL formula is only visible for dates when Send Date = Today. For all other days it displays FALSE.

Send a test email

Right click on the SENDGMAIL formula and click "Run Action" to send the email.

Right click on the action and select Run action to send an email.

6. Automate the Send Reminder column

Now, we can automate the running of the Send Reminder column. For rows where SENDGMAIL displays in the column, Lido can automatically run them once per day, even if the file is closed.

Click on your Send Reminder column menu and select Run column on a schedule.

Select what time of day you want your messages to send, then click save.

Now, every day at 1:15PM (or whatever time you've selected), Lido will pull in the latest records from your Googlle sheet, automatically check and see if there are any reminder emails that need to be sent where TODAY = reminder_send_date, and if so, run the each SENDGMAIL formula and send the emails.

Impressed? Click here to get started with Lido!


How to Send the Reminder a Week Before the Date?

Easy. In the Step 3 above, just change the number in the formula. For the example that we use, we have the following formula:


This will send the reminder two days before the deadline. To send the reminder a week before the deadline, just change the number to 7 (7 days):


If instead you want to send the reminder 3 days before the deadline, just change it to 3:


And so on.

How do you Check if your Formula Works First?

You can check if the formula works first before setting the automation settings. First, change the sender_email and recipient_email to the one you can open. Afterwards, click the cell containing the formula for sending reminder emails. Then, click right click on the SENDGMAIL formula and select Run action

Lido will run the formula. If the formula has no errors, the message Action run successfully will appear on the lower-right corner of Lido. 

How to Set Reminders Multiple Times for the Same User?

You can also send reminders a few times at different times to the same user. You just need to repeat the Steps 3 to 6, adding a set of columns for each instance.

How do you set a reminder in google sheets?

To set a reminder in google sheets, simply add a SENDGMAIL formula to your sheet and set the time and date you want your email reminder to send. It's that simple to create a google sheets reminder!

Click here to Create a Spreadsheet Email Reminder

If you enjoyed this article, check out our article on how to set up bulk email from google sheets or send email based on a date in google sheets.

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