Are you managing numerous contacts in a spreadsheet file?
The Spreadsheet Contacts app allows you to conveniently view contacts (address book/phone book) stored in a spreadsheet file within the app.

*Key Features
- Import contact information from a spreadsheet file: Select multiple spreadsheet files.
- Sheet support: Sort by customer, company, club, alumni association, etc.
- Make calls/send text messages/send emails
- Search for contacts with upcoming anniversaries, such as birthdays
- Search for contacts: Search for all fields, including names and phone numbers
- Support for favorite contacts
- Export contact information saved in the app to a spreadsheet file
- Export contact information from your phone's contacts app to a spreadsheet file

*Features
- Ideal for those with a large number of contacts who find it easier to manage them using a spreadsheet file.
- Useful for those who don't want contacts automatically added to mobile messengers and other platforms.
- Customize contact details as you see fit.
- Easily re-apply changes to a spreadsheet file: "Re-import" feature.

*Preparing a spreadsheet file
- Save the spreadsheet file to your phone's internal storage, Google Drive, etc. so that it can be read by the app.
- Examples of using Google Drive:
(1) Create a spreadsheet file on a PC.
(2) Access the Google Drive website from a PC browser.
(3) Save the created spreadsheet file to Google Drive. (4) Launch the "Spreadsheet Contacts" app on your phone.
(5) Click the "Select Spreadsheet File" menu on the Contacts Import screen.
(6) Select a spreadsheet file saved in Google Drive (long-click on a file to select multiple files).

*Supported Spreadsheet File Formats
- xls
- xlsx

*Spreadsheet File Creation Rules
- The first row must contain labels for each item (name, phone number, email, workplace, etc.).
- The first column must contain a value.
- Cell values can only be in the form of letters, numbers, and dates (no calculations allowed).
- Multiple sheets can be used.