An application for bank account reopening is a formal letter written to the bank manager when your account has become dormant or temporarily closed due to no transactions. A clear application helps the bank reactivate your account.
Below are simple sample formats you can edit and submit at the branch.

Sample 1: Reopen Dormant Account
To,
The Branch Manager
[Bank Name]
[Branch Address]
Date: [Write Date]
Subject: Application for reopening of bank account
Respected Sir/Madam,
I hold a savings account number [Account Number] in your branch. My account has become dormant due to no transactions for a long period. Kindly reactivate my account so that I can start using it again.
Account Number: [Number]
Account Holder Name: [Your Name]
Mobile Number: [Number]
I have attached the required documents. Kindly do the needful.
Yours faithfully,
[Your Name]
Signature
Sample 2: Simple Reopen Request
To,
The Manager
[Bank Name & Branch]
Date: [Write Date]
Subject: Request to reopen bank account
Respected Sir/Madam,
My account number [Account Number] is temporarily closed/locked. Please reopen my account so that I can carry out transactions again. All documents are attached.
Thanking you,
Yours faithfully,
[Your Name]
Signature
Sample 3: Reopen After Long Inactivity
To,
The Branch Manager
[Bank Name]
Date: [Write Date]
Subject: Application for reactivation of bank account
Respected Sir/Madam,
Due to personal reasons I could not operate my account for a long time and it has become dormant. Kindly reopen Account Number [Number] in the name of [Your Name].
Yours faithfully,
[Your Name]
Mobile: [Number]
Signature
These samples for an application for bank account reopening should be submitted with ID proof and other documents required by the bank.